docs: update CHANGE.md with day-by-day change summaries

- IChatSession/IChatTurn interfaces: add optional numCtx field
- Mongoose schemas: add numCtx field to ChatSession and ChatTurn
- API controller: validate numCtx (>=16384, multiple of 8192)
- ChatSessionService: persist numCtx on session, pass through to turn
- SessionPanel: add range slider for Context Window (hidden for OpenAI)
- Drone buildDroneModelConfig: prefer turn.numCtx over model defaults

.gitignore

@@ -3,4 +3,5 @@ gadget-drone.*.log
 logfetch
 
 .gadget
+gadget/
 node_modules

CHANGE.md

@@ -0,0 +1,287 @@
+# CHANGELOG
+
+This document tracks all significant changes to Gadget Code, organized by date.
+
+---
+
+## 2026-05-15 (Thursday)
+
+**Context Window Configuration Added**
+
+The most recent change introduces the `numCtx` (Context Window) setting to the SESSION panel, allowing users to configure the context window size for their AI model sessions. This setting is part of a broader enhancement to the model configuration pipeline that also includes `numPredict` and `maxCompletionTokens` parameters.
+
+### Changes:
+- Added `numCtx` setting to SESSION panel
+- Updated model configuration pipeline to include `numPredict`, `numCtx`, and `maxCompletionTokens`
+- Modified ChatSessionView to handle new context window settings
+- Updated session initialization logic to apply context window configuration
+- Added Gab AI affiliate link
+- Changed Ollama abort procedure
+
+---
+
+## 2026-05-14 (Wednesday)
+
+**SubProcess Observability Implementation**
+
+This week focused on implementing comprehensive observability for SubProcess operations within the DroneManager and DroneInspector components, including detailed logging, status tracking, and event emission capabilities.
+
+### Changes:
+- Implemented Phase 2: SubProcess observability in DroneManager and DroneInspector
+- Added subprocess status tracking and event emission
+- Updated UI to display subprocess execution details
+- Fixed mode change log message formatting
+
+---
+
+## 2026-05-13 (Tuesday)
+
+**Documentation and Editor Improvements**
+
+Documentation updates include adding continuation prompts and remaining steps for User Mode, session summary documentation for MVP completion, and formatting cleanup in AGENTS.md. The editor improvements address a critical issue with CodeMirror editor height constraints in flex layouts.
+
+### Changes:
+- Added continuation prompt and remaining steps for User Mode documentation
+- Added session summary for User Mode MVP completion
+- Fixed CodeMirror editor height constraint in flex layout
+- Minor formatting cleanup in AGENTS.md
+- Created new files and prep work for landing page project
+
+---
+
+## 2026-05-12 (Monday)
+
+**FILES Panel and Editor Integration**
+
+This week marked a significant milestone with the implementation of the FILES panel foundation featuring lazy-loading file tree capabilities. The implementation replaced react-ace with @uiw/react-codemirror to resolve React 19 compatibility issues and Vite dev server problems.
+
+### Changes:
+- Implemented FILES panel foundation with lazy-loading file tree
+- Replaced react-ace with @uiw/react-codemirror
+- Fixed flexbox scrolling for FILES panel sidebar
+- Added shrink-0 to SESSION and PROJECT panels for proper flex layout
+- Fixed file tree scrolling and text selection issues
+- Fixed file tree backend recursion breaking lazy loading
+- Fixed file tree showing entire workspace instead of project directory
+- Fixed file tree duplication and corruption on expand
+- Fixed file tree expand/collapse not rendering children
+- Added navigation to project in Project Manager using slug
+- Fixed ACE editor integration crash — React 19 compat, Vite ?url pattern, Error Boundary
+- Fixed file tree duplication and corruption on expand
+
+---
+
+## 2026-05-11 (Sunday)
+
+**Subagent Processing and Authentication Fixes**
+
+This weekend's work focused on subagent processing improvements and authentication fixes, including fixes for subagent response handling, session data management, and adding the persona field to sign-in responses.
+
+### Changes:
+- Fixed subagent response handling and session data
+- Added persona field to sign-in response
+- Fixed JWT expiration bugs and drone heartbeat timeouts
+- Added installation guides, config examples, and systemd service files
+- Fixed subagent markdown output whitespace using .subagent-compact.gadget-markdown
+- Applied CSS and style fixes for subagent display
+- Updated build prompt
+- Fixed auth: include persona field in sign-in response
+
+---
+
+## 2026-05-10 (Saturday)
+
+**Workspace and Project Philosophy Shift**
+
+This weekend involved a philosophical shift in how Workspaces and Projects are conceptualized and implemented, with improved separation of concerns and clearer boundaries between the two concepts.
+
+### Changes:
+- Applied philosophy shifts for Workspaces and Projects
+- Updated workspace and project conceptual model
+- Improved separation of concerns between workspace and project
+- Chat interface fixes and cleanup
+- Credential provider fix
+- Ensure apiKey is presented to required consumers
+
+---
+
+## 2026-05-09 (Friday)
+
+**Agentic Workflow Loop Rebuild**
+
+This week involved a complete rebuild of the Agentic Workflow Loop to improve reliability and performance, including better error handling, improved checkpointing, and enhanced event emission capabilities.
+
+### Changes:
+- Re-built Agentic Workflow Loop with improved reliability
+- Enhanced streaming response handling
+- Implemented chat session auto-naming with IDE update
+- Improved checkpointing and event emission
+- GadgetLogTransportSocket and the drone-to-IDE log
+
+---
+
+## 2026-05-08 (Thursday)
+
+**Chat Session Heartbeat and User Settings**
+
+This week focused on implementing chat session heartbeat functionality and user settings management, ensuring that active sessions are properly tracked and can be recovered in case of unexpected disconnections.
+
+### Changes:
+- Implemented chat session heartbeat and session unlock
+- Added user settings management
+- Made reasoning effort configurable
+- Added editable session name with cog icon
+- Redesigned sign-in form and presentation
+- Integrated persona field in User
+- Reworked provider/model selection with save/cancel pattern
+- Added navigation to return to Project Manager
+- Quick fix for when logging.file.enabled is false
+- Refactor: unify logging into @gadget/api as GadgetLog
+
+---
+
+## 2026-05-07 (Wednesday)
+
+**Streaming Responses Implementation**
+
+This week saw the implementation of streaming responses for AI model interactions, including proper handling of streaming data from Ollama and other providers with support for real-time token delivery and response completion tracking.
+
+### Changes:
+- Implemented streaming responses for Ollama
+- Added streaming response handling and correctness improvements
+- Created documentation for streaming responses
+- Improved real-time token delivery and completion tracking
+
+---
+
+## 2026-05-06 (Tuesday)
+
+**Agent Tool and Toolbox Refactoring**
+
+This week involved significant refactoring of the agent tool and toolbox architecture, including unifying logging into @gadget/api as GadgetLog and restructuring the toolbox to support better tool registration and management.
+
+### Changes:
+- Refactored agent tool and toolbox architecture
+- Unified logging into @gadget/api as GadgetLog
+- Improved tool registration and management
+- Reduced log spam through pre-task cleanup
+- Agent, tools, toolbox, tool loop, AI environment
+
+---
+
+## 2026-05-05 (Monday)
+
+**Basic Chat System Implementation**
+
+This week marked a major milestone with the implementation of a working basic chat system, including provider, model, and mode selection capabilities, along with enhanced AgentService.process method functionality.
+
+### Changes:
+- Implemented basic chat system
+- Added provider, model, and mode selections
+- Enhanced AgentService.process method
+- Implemented chat turn processing
+- Added agent progress tracking
+
+---
+
+## 2026-05-03 (Saturday)
+
+**Status Message Display Fix**
+
+This weekend's work focused on fixing the status message display in the agent interface and implementing workspace mode management improvements with drone status message socket events.
+
+### Changes:
+- Fixed status message display in agent interface
+- Implemented workspace mode management
+- Added drone status message socket events
+- Many fixes
+
+---
+
+## 2026-05-02 (Friday)
+
+**Workspace Mode Switching**
+
+This week involved implementing workspace mode switching functionality with proper validation, ensuring that workspace mode changes are validated before being applied, preventing invalid state transitions.
+
+### Changes:
+- Implemented workspace mode switching with validation
+- Added session lock and workspace processing refinements
+- Improved workspace management system
+- Workspace management progress
+
+---
+
+## 2026-05-01 (Thursday)
+
+**Welcome to The Grid**
+
+This week marked the beginning of a new phase with the implementation of the "Welcome to The Grid" home view, including JWT processing fixes, session startup/shutdown/refactoring improvements, and the transition from Types.ObjectId to GadgetId.
+
+### Changes:
+- Implemented "Welcome to The Grid" home view
+- Fixed JWT processing
+- Refactored session startup, shutdown, and import
+- Transitioned from Types.ObjectId to GadgetId
+- Added return to Home on sign out
+- More populate fixes
+
+---
+
+## 2026-04-30 (Wednesday)
+
+**Socket Protocol Implementation**
+
+This week focused on implementing and refining the socket protocol for drone-to-IDE communication, including defining missing socket event types, enforcing typed events in the frontend build, and adding a setting for max Socket.IO HTTP buffer size.
+
+### Changes:
+- Implemented socket protocol completeness
+- Defined missing socket event types
+- Enforced typed events in frontend build
+- Added max Socket.IO HTTP buffer size setting
+- Created drone manager
+
+---
+
+## 2026-04-29 (Tuesday)
+
+**Workspace Persistence and Crash Recovery**
+
+This week involved implementing workspace persistence and crash recovery capabilities, including adding workspace mode to the gadget-drone process, event emissions to the Agentic Workflow Loop, and drone-to-IDE event routing.
+
+### Changes:
+- Implemented workspace persistence and crash recovery
+- Added workspace mode to gadget-drone process
+- Added event emissions to Agentic Workflow Loop
+- Implemented drone-to-IDE event routing
+- Fixed type conflicts and implemented prompt submission
+
+---
+
+## 2026-04-28 (Monday)
+
+**Dark Industrial Theme and JWT Authentication**
+
+This week marked a significant visual and architectural milestone with the implementation of the dark industrial theme, Project Manager, and JWT authentication, replacing the previous sign-up concept with a more streamlined sign-in experience.
+
+### Changes:
+- Implemented dark industrial theme
+- Added Project Manager
+- Implemented JWT authentication
+- Enforced theme correctly
+- Added project service
+- Updated DroneRegistration with workspaceDir
+- Fix: Darken border colors to match dark industrial theme
+- Theme enforced and correctly implemented; e2e tests added for theme
+
+---
+
+## 2026-04-27 (Sunday)
+
+**Initial Commit**
+
+The project was initialized with the initial commit, establishing the foundation for all subsequent development.
+
+### Changes:
+- Initial project commit
+- Established basic project structure

docs/abort-controller.md

@@ -16,27 +16,33 @@ or is aborted, the abort signal mechanism is cleaned up end-to-end.
 
 ```
 [Frontend]  --abortWorkOrder(cb)-->  [CodeSession]  --abortWorkOrder(cb)-->  [Drone]
-                                                                                 |
+                                                                                  |
-                                                                          AgentService
+                                                                           AgentService
-                                                                         .abortCurrentWorkOrder()
+                                                                          .abortCurrentWorkOrder()
-                                                                                 |
+                                                                                  |
-                                                                          abortController.abort()
+                                                                           abortController.abort()
-                                                                                 |
+                                                                                  |
-                                                                          cb(true, "Abort signaled")
+                                                                           AiService.abort()
-                                                                                 |
+                                                                           (calls AI provider's
+                                                                            abort() which for
+                                                                            Ollama terminates the
+                                                                            HTTP request immediately)
+                                                                                  |
+                                                                           cb(true, "Abort signaled")
+                                                                                  |
 [Frontend] <------- callback received, show "Aborting..." -----------------------+
-                                                                                 |
+                                                                                  |
-                                                                          (AbortError thrown
+                                                                           (AbortError thrown
-                                                                           in AI provider)
+                                                                            in AI provider)
-                                                                                 |
+                                                                                  |
-                                                                          AgentService catches
+                                                                           AgentService catches
-                                                                          AbortError, emits
+                                                                           AbortError, emits
-                                                                          workOrderComplete(turnId, true, "aborted")
+                                                                           workOrderComplete(turnId, true, "aborted")
-                                                                                 |
+                                                                                  |
 [DroneSession] --workOrderComplete(turnId, true, "aborted")--> [CodeSession]
-       |                                                            |
+        |                                                            |
-  turn.status =                                           turn.status = "aborted"
+   turn.status =                                           turn.status = "aborted"
-  ChatTurnStatus.Aborted                                   displayed subtly
+   ChatTurnStatus.Aborted                                   displayed subtly
 ```
 
 **Key design decision**: `workOrderComplete` is used with `success=true` and
@@ -74,6 +80,10 @@ No `SocketEvents` changes needed — the drone listens on its own socket.
 - `IAiChatOptions`
 - `IAiGenerateOptions`
 
+Also added a default (no-op) `abort()` method on the `AiApi` abstract class.
+Provider-specific implementations override this to forcefully terminate
+in-progress HTTP requests.
+
 **`packages/ai/src/ollama.ts`** — In both `generate()` and `chat()`:
 
 1. Pre-request check: `if (options.signal?.aborted) throw ...`
@@ -81,6 +91,9 @@ No `SocketEvents` changes needed — the drone listens on its own socket.
 3. Per-chunk check at top of `for await` loop:
    `if (options.signal?.aborted) throw new DOMException("The operation was aborted", "AbortError")`
 
+Additionally, `OllamaAiApi` overrides `abort()` to call `this.client.abort()`,
+which immediately terminates the underlying HTTP request to the Ollama server.
+
 **`packages/ai/src/openai.ts`** — Same pattern in:
 
 - `generate()` — pre-check, pass `signal` to SDK, per-chunk in `for await`
@@ -108,7 +121,18 @@ and is detected downstream via `error.name === "AbortError"`.
   ```
 - `finally` block sets `this.abortController = null`
 - Public method `abortCurrentWorkOrder(): boolean` — calls
-  `this.abortController?.abort()`, returns `true` if there was a controller
+  `this.abortController?.abort()` then `AiService.abort()`, returns `true` if
+  there was a controller. The `AiService.abort()` call provides provider-specific
+  forceful abort (e.g., `OllamaAiApi.abort()` → `this.client.abort()`).
+
+**`gadget-drone/src/services/ai.ts`**:
+
+- Property: `private activeApi: AiApi | null = null` — tracks the most recently
+  created `AiApi` instance
+- `getApi()` stores each created instance on `this.activeApi`
+- `chat()` and `generate()` clear `this.activeApi = null` in `finally` blocks
+- Public method `abort(): void` — calls `this.activeApi?.abort()`, then clears
+  the reference
 
 **`gadget-drone/src/gadget-drone.ts`**:
 
@@ -193,10 +217,11 @@ status: "processing" | "finished" | "aborted" | "error";
 | `.gitignore`                                         | Add root-level log file patterns                                                           |
 | `packages/api/src/messages/ide.ts`                   | New `AbortWorkOrderCallback`, `AbortWorkOrderMessage`                                      |
 | `packages/api/src/messages/socket.ts`                | Register `abortWorkOrder` in both event interfaces                                         |
-| `packages/ai/src/api.ts`                             | `signal?: AbortSignal` on `IAiChatOptions`, `IAiGenerateOptions`                           |
+| `packages/ai/src/api.ts`                             | `signal?: AbortSignal` on `IAiChatOptions`, `IAiGenerateOptions`; `abort()` on `AiApi`     |
-| `packages/ai/src/ollama.ts`                          | Pre-request and per-chunk abort checks, signal pass-through                                |
+| `packages/ai/src/ollama.ts`                          | Pre-request and per-chunk abort checks, signal pass-through; `abort()` override            |
 | `packages/ai/src/openai.ts`                          | Same for `generate()`, `readStreamingChatCompletion()`, `readNonStreamingChatCompletion()` |
-| `gadget-drone/src/services/agent.ts`                 | `AbortController` property, abort detection, `abortCurrentWorkOrder()`                     |
+| `gadget-drone/src/services/agent.ts`                 | `AbortController` property, abort detection, `abortCurrentWorkOrder()` calls `AiService.abort()` |
+| `gadget-drone/src/services/ai.ts`                    | Track active `AiApi` instance, `abort()` method, cleanup in `finally` blocks               |
 | `gadget-drone/src/gadget-drone.ts`                   | `onAbortWorkOrder` socket handler                                                          |
 | `gadget-code/src/lib/code-session.ts`                | Forward `abortWorkOrder` to drone                                                          |
 | `gadget-code/src/lib/drone-session.ts`               | Detect `"aborted"` in `workOrderComplete`                                                  |
@@ -214,9 +239,16 @@ status: "processing" | "finished" | "aborted" | "error";
   event or change the `workOrderComplete` signature.
 - The `AbortController` is created per-process() call and cleaned up in
   `finally`. It is never shared across work orders.
-- The abort callback returns immediately after the controller is signaled. The
+- The abort callback returns immediately after the controller is signaled and
-  AbortError propagates asynchronously through the SDK stream and is caught
+  `AiService.abort()` is called. The AbortError propagates asynchronously
-  separately in the agent loop.
+  through the SDK stream and is caught separately in the agent loop.
+- `AiService.abort()` provides provider-specific forceful abort (e.g., Ollama's
+  `client.abort()` terminates the HTTP request immediately). This is called
+  _in addition to_ the `AbortController.abort()` signal so that both the
+  AbortSignal chain and the provider-specific abort mechanism are triggered.
+- The active `AiApi` instance is tracked on `AiService.activeApi` and is set to
+  `null` in the `finally` block of each `chat()`/`generate()` call, so the
+  reference is never stale.
 - Subagent loops also receive the abort signal (via `this.abortController?.signal`)
   and abort naturally — no special subagent abort handling needed.
 - The Esc handler is a global `window` keydown listener. It is registered ONLY

gadget-code/frontend/src/components/ProjectPanel.tsx

@@ -0,0 +1,43 @@
+import type { Project } from '../lib/api';
+
+interface ProjectPanelProps {
+  project: Project | null;
+  onNavigateToProject: () => void;
+}
+
+export default function ProjectPanel({ project, onNavigateToProject }: ProjectPanelProps) {
+  return (
+    <div className="border-b border-border-subtle shrink-0">
+      <div className="flex items-center justify-between px-4 py-2 bg-bg-tertiary">
+        <h3 className="text-sm font-semibold text-text-secondary uppercase tracking-wider">
+          Project
+        </h3>
+        <button
+          title="Project Manager"
+          onClick={onNavigateToProject}
+          className="text-text-muted hover:text-text-primary transition-colors"
+        >
+          <svg className="w-4 h-4" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+            <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M3 12l2-2m0 0l7-7 7 7M5 10v10a1 1 0 001 1h3m10-11l2 2m-2-2v10a1 1 0 01-1 1h-3m-6 0a1 1 0 001-1v-4a1 1 0 011-1h2a1 1 0 011 1v4a1 1 0 001 1m-6 0h6" />
+          </svg>
+        </button>
+      </div>
+      <div className="p-4 space-y-2">
+        {project ? (
+          <>
+            <div>
+              <div className="text-xs text-text-muted">Name</div>
+              <div className="text-text-primary">{project.name}</div>
+            </div>
+            <div>
+              <div className="text-xs text-text-muted">Slug</div>
+              <div className="font-mono text-xs text-text-secondary">{project.slug}</div>
+            </div>
+          </>
+        ) : (
+          <div className="text-text-muted text-sm">Loading...</div>
+        )}
+      </div>
+    </div>
+  );
+}

gadget-code/frontend/src/components/SessionPanel.tsx

@@ -0,0 +1,298 @@
+import { ChatSessionMode, type AiProvider, type ChatSession, type AiModel } from '../lib/api';
+import { WorkspaceMode } from '../lib/types';
+import WorkspaceModeIndicator from './WorkspaceModeIndicator';
+
+interface SessionPanelProps {
+  session: ChatSession | null;
+  workspaceMode: WorkspaceMode;
+  sessionLocked: boolean;
+  providers: AiProvider[];
+  selectedProviderId: string;
+  selectedModelId: string;
+  sessionReasoningEffort: string;
+  sessionNumCtx: number;
+  isEditingProvider: boolean;
+  editProviderId: string;
+  editModelId: string;
+  isUpdatingProvider: boolean;
+  isEditingName: boolean;
+  editName: string;
+  isUpdatingName: boolean;
+  isUpdatingMode: boolean;
+  isUpdatingReasoning: boolean;
+  isUpdatingNumCtx: boolean;
+  onWorkspaceModeChange: (mode: WorkspaceMode) => void;
+  onModeChange: (e: React.ChangeEvent<HTMLSelectElement>) => void;
+  onReasoningChange: (e: React.ChangeEvent<HTMLSelectElement>) => void;
+  onNumCtxChange: (e: React.ChangeEvent<HTMLInputElement>) => void;
+  onNumCtxCommit: (e: React.MouseEvent<HTMLInputElement> | React.TouchEvent<HTMLInputElement>) => void;
+  onStartEditProvider: () => void;
+  onSaveProvider: () => void;
+  onCancelEditProvider: () => void;
+  onEditProviderIdChange: (id: string) => void;
+  onEditModelIdChange: (id: string) => void;
+  onStartEditName: () => void;
+  onSaveName: () => void;
+  onCancelEditName: () => void;
+  onEditNameChange: (name: string) => void;
+  getProviderName: (id: string) => string;
+  getModelName: (providerId: string, modelId: string) => string;
+  getSortedModels: (providerId: string) => AiProvider['models'];
+  truncateModelName: (name: string, maxLength?: number) => string;
+  getSelectedModelCapabilities: () => { hasThinking: boolean } | null;
+  getSelectedModel: () => AiModel | null;
+}
+
+export default function SessionPanel({
+  session,
+  workspaceMode,
+  sessionLocked,
+  providers,
+  selectedProviderId,
+  selectedModelId,
+  sessionReasoningEffort,
+  sessionNumCtx,
+  isEditingProvider,
+  editProviderId,
+  editModelId,
+  isUpdatingProvider,
+  isEditingName,
+  editName,
+  isUpdatingName,
+  isUpdatingMode,
+  isUpdatingReasoning,
+  isUpdatingNumCtx,
+  onWorkspaceModeChange,
+  onModeChange,
+  onReasoningChange,
+  onNumCtxChange,
+  onNumCtxCommit,
+  onStartEditProvider,
+  onSaveProvider,
+  onCancelEditProvider,
+  onEditProviderIdChange,
+  onEditModelIdChange,
+  onStartEditName,
+  onSaveName,
+  onCancelEditName,
+  onEditNameChange,
+  getProviderName,
+  getModelName,
+  getSortedModels,
+  truncateModelName,
+  getSelectedModelCapabilities,
+  getSelectedModel,
+}: SessionPanelProps) {
+  return (
+    <div className="border-b border-border-subtle shrink-0">
+      <div className="flex items-center justify-between px-4 py-2 bg-bg-tertiary">
+        <h3 className="text-sm font-semibold text-text-secondary uppercase tracking-wider">
+          Session
+        </h3>
+        <WorkspaceModeIndicator
+          mode={workspaceMode}
+          onChange={onWorkspaceModeChange}
+          disabled={!sessionLocked || isEditingProvider}
+        />
+      </div>
+      <div className="p-4 space-y-3">
+        <div>
+          <div className="text-xs text-text-muted">Name</div>
+          {isEditingName ? (
+            <div className="flex gap-2 mt-1">
+              <input
+                type="text"
+                value={editName}
+                onChange={(e) => onEditNameChange(e.target.value)}
+                onKeyDown={(e) => {
+                  if (e.key === 'Enter') { e.preventDefault(); onSaveName(); }
+                  if (e.key === 'Escape') { e.preventDefault(); onCancelEditName(); }
+                }}
+                className="flex-1 px-2 py-1.5 bg-bg-tertiary border border-border-default rounded text-text-primary text-sm focus:border-brand focus:outline-none"
+                autoFocus
+              />
+              <button
+                title="Save"
+                onClick={onSaveName}
+                disabled={!editName.trim() || isUpdatingName}
+                className="text-green-500 hover:text-green-400 disabled:opacity-30 disabled:cursor-not-allowed transition-colors self-center"
+              >
+                <svg className="w-5 h-5" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+                  <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M5 13l4 4L19 7" />
+                </svg>
+              </button>
+              <button
+                title="Cancel"
+                onClick={onCancelEditName}
+                disabled={isUpdatingName}
+                className="text-red-500 hover:text-red-400 disabled:opacity-30 transition-colors self-center"
+              >
+                <svg className="w-5 h-5" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+                  <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M6 18L18 6M6 6l12 12" />
+                </svg>
+              </button>
+            </div>
+          ) : (
+            <div className="flex gap-2 items-center mt-1">
+              <div className="text-text-primary flex-1">{session?.name}</div>
+              <button
+                title="Edit name"
+                onClick={onStartEditName}
+                className="text-text-muted hover:text-text-primary transition-colors"
+              >
+                <svg className="w-4 h-4" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+                  <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M10.325 4.317c.426-1.756 2.924-1.756 3.35 0a1.724 1.724 0 002.573 1.066c1.543-.94 3.31.826 2.37 2.37a1.724 1.724 0 001.066 2.573c1.756.426 1.756 2.924 0 3.35a1.724 1.724 0 00-1.066 2.573c.94 1.543-.826 3.31-2.37 2.37a1.724 1.724 0 00-2.573 1.066c-.426 1.756-2.924 1.756-3.35 0a1.724 1.724 0 00-2.573-1.066c-1.543.94-3.31-.826-2.37-2.37a1.724 1.724 0 00-1.066-2.573c-1.756-.426-1.756-2.924 0-3.35a1.724 1.724 0 001.066-2.573c-.94-1.543.826-3.31 2.37-2.37.996.608 2.296.07 2.572-1.065z" />
+                  <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M15 12a3 3 0 11-6 0 3 3 0 016 0z" />
+                </svg>
+              </button>
+            </div>
+          )}
+        </div>
+        {isEditingProvider ? (
+          <div className="flex gap-2">
+            <div className="flex-1">
+              <div className="text-xs text-text-muted">Provider</div>
+              <select
+                value={editProviderId || ''}
+                onChange={(e) => { onEditProviderIdChange(e.target.value); onEditModelIdChange(''); }}
+                className="w-full mt-1 px-2 py-1.5 bg-bg-tertiary border border-border-default rounded text-text-primary text-sm focus:border-brand focus:outline-none"
+              >
+                <option value="">-- Select Provider --</option>
+                {providers.map((provider) => (
+                  <option key={provider._id} value={provider._id}>
+                    {provider.name}
+                  </option>
+                ))}
+              </select>
+            </div>
+            <div className="flex-1">
+              <div className="text-xs text-text-muted">Model</div>
+              <select
+                value={editModelId || ''}
+                onChange={(e) => onEditModelIdChange(e.target.value)}
+                disabled={!editProviderId}
+                className="w-full mt-1 px-2 py-1.5 bg-bg-tertiary border border-border-default rounded text-text-primary text-sm focus:border-brand focus:outline-none disabled:opacity-50 disabled:cursor-not-allowed truncate"
+              >
+                {!editProviderId ? (
+                  <option value="">Select provider first</option>
+                ) : (
+                  <>
+                    <option value="">-- Select Model --</option>
+                    {getSortedModels(editProviderId).map((model) => (
+                      <option key={model.id} value={model.id}>
+                        {truncateModelName(model.name)}
+                      </option>
+                    ))}
+                  </>
+                )}
+              </select>
+            </div>
+            <div className="flex items-end gap-1 pb-1">
+              <button
+                title="Save"
+                onClick={onSaveProvider}
+                disabled={!editProviderId || !editModelId || isUpdatingProvider}
+                className="text-green-500 hover:text-green-400 disabled:opacity-30 disabled:cursor-not-allowed transition-colors"
+              >
+                <svg className="w-5 h-5" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+                  <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M5 13l4 4L19 7" />
+                </svg>
+              </button>
+              <button
+                title="Cancel"
+                onClick={onCancelEditProvider}
+                disabled={isUpdatingProvider}
+                className="text-red-500 hover:text-red-400 disabled:opacity-30 transition-colors"
+              >
+                <svg className="w-5 h-5" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+                  <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M6 18L18 6M6 6l12 12" />
+                </svg>
+              </button>
+            </div>
+          </div>
+        ) : (
+          <div className="flex gap-2">
+            <div className="flex-1">
+              <div className="text-xs text-text-muted">Provider</div>
+              <div className="text-text-primary text-sm mt-1">{getProviderName(selectedProviderId)}</div>
+            </div>
+            <div className="flex-1">
+              <div className="text-xs text-text-muted">Model</div>
+              <div
+                className="text-text-primary text-sm mt-1 truncate"
+                title={getModelName(selectedProviderId, selectedModelId)}
+              >
+                {getModelName(selectedProviderId, selectedModelId)}
+              </div>
+            </div>
+            <button
+              title="Change provider/model..."
+              onClick={onStartEditProvider}
+              className="self-end pb-1 text-text-muted hover:text-text-primary transition-colors"
+            >
+              <svg className="w-4 h-4" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M10.325 4.317c.426-1.756 2.924-1.756 3.35 0a1.724 1.724 0 002.573 1.066c1.543-.94 3.31.826 2.37 2.37a1.724 1.724 0 001.066 2.573c1.756.426 1.756 2.924 0 3.35a1.724 1.724 0 00-1.066 2.573c.94 1.543-.826 3.31-2.37 2.37a1.724 1.724 0 00-2.573 1.066c-.426 1.756-2.924 1.756-3.35 0a1.724 1.724 0 00-2.573-1.066c-1.543.94-3.31-.826-2.37-2.37a1.724 1.724 0 00-1.066-2.573c-1.756-.426-1.756-2.924 0-3.35a1.724 1.724 0 001.066-2.573c-.94-1.543.826-3.31 2.37-2.37.996.608 2.296.07 2.572-1.065z" />
+                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M15 12a3 3 0 11-6 0 3 3 0 016 0z" />
+              </svg>
+            </button>
+          </div>
+        )}
+        <div>
+          <div className="text-xs text-text-muted">Mode</div>
+          <select
+            value={session?.mode || ChatSessionMode.Build}
+            onChange={onModeChange}
+            disabled={isUpdatingMode}
+            className="w-full mt-1 px-2 py-1.5 bg-bg-tertiary border border-border-default rounded text-text-primary text-sm focus:border-brand focus:outline-none disabled:opacity-50 disabled:cursor-not-allowed"
+          >
+            {Object.values(ChatSessionMode).map((mode) => (
+              <option key={mode} value={mode}>
+                {mode.charAt(0).toUpperCase() + mode.slice(1)}
+              </option>
+            ))}
+          </select>
+        </div>
+        <div>
+          <div className="text-xs text-text-muted">Reasoning</div>
+          <select
+            value={sessionReasoningEffort}
+            onChange={onReasoningChange}
+            disabled={isUpdatingReasoning || !getSelectedModelCapabilities()?.hasThinking}
+            className="w-full mt-1 px-2 py-1.5 bg-bg-tertiary border border-border-default rounded text-text-primary text-sm focus:border-brand focus:outline-none disabled:opacity-50 disabled:cursor-not-allowed"
+            title={
+              !getSelectedModelCapabilities()?.hasThinking
+                ? "Selected model does not support reasoning"
+                : "Controls how much the model thinks before responding"
+            }
+          >
+            <option value="off">Off</option>
+            <option value="low">Low</option>
+            <option value="medium">Medium</option>
+            <option value="high">High</option>
+          </select>
+        </div>
+        {providers.find(p => p._id === selectedProviderId)?.apiType !== 'openai' && (
+          <div>
+            <div className="text-xs text-text-muted">Context Window</div>
+            <div className="flex items-center gap-2 mt-1">
+              <input
+                type="range"
+                min={16384}
+                max={getSelectedModel()?.contextWindow || 131072}
+                step={8192}
+                value={sessionNumCtx}
+                onChange={onNumCtxChange}
+                onMouseUp={onNumCtxCommit}
+                onTouchEnd={onNumCtxCommit}
+                className="flex-1 h-2 bg-bg-tertiary rounded appearance-none cursor-pointer accent-brand"
+              />
+              <span className="text-xs text-text-secondary w-16 text-right tabular-nums">
+                {sessionNumCtx.toLocaleString()}
+              </span>
+            </div>
+          </div>
+        )}
+      </div>
+    </div>
+  );
+}

gadget-code/frontend/src/lib/api.ts

@@ -358,6 +358,7 @@ export interface ChatSession {
   provider: string | AiProvider;
   selectedModel: string;
   reasoningEffort?: string;
+  numCtx?: number;
   stats: ChatSessionStats;
   pins: Array<{ _id?: string; content: string }>;
 }
@@ -421,6 +422,7 @@ export interface ChatTurn {
   session: string | ChatSession;
   provider: string | AiProvider;
   llm: string;
+  numCtx?: number;
   mode: ChatSessionMode;
   status: "processing" | "finished" | "aborted" | "error";
   prompts: ChatTurnPrompts;

gadget-code/frontend/src/pages/ChatSessionView.tsx

@@ -3,7 +3,8 @@ import { useParams, useNavigate } from 'react-router-dom';
 import { socketClient } from '../lib/socket';
 import { chatSessionApi, projectApi, providerApi, type ChatSession, type ChatTurn, type ChatTurnBlock, ChatTurnStats, ChatSessionMode, type AiProvider, type Project } from '../lib/api';
 import { WorkspaceMode } from '../lib/types';
-import WorkspaceModeIndicator from '../components/WorkspaceModeIndicator';
+import SessionPanel from '../components/SessionPanel';
+import ProjectPanel from '../components/ProjectPanel';
 import FilesPanel from '../components/FilesPanel';
 import LogPanel from '../components/LogPanel';
 import ChatTurnComponent from '../components/ChatTurn';
@@ -67,6 +68,8 @@ export default function ChatSessionView() {
   const [selectedProviderId, setSelectedProviderId] = useState<string>('');
   const [selectedModelId, setSelectedModelId] = useState<string>('');
   const [sessionReasoningEffort, setSessionReasoningEffort] = useState<string>('off');
+  const [sessionNumCtx, setSessionNumCtx] = useState<number>(131072);
+  const [isUpdatingNumCtx, setIsUpdatingNumCtx] = useState(false);
   const [isEditingProvider, setIsEditingProvider] = useState(false);
   const [editProviderId, setEditProviderId] = useState('');
   const [editModelId, setEditModelId] = useState('');
@@ -213,6 +216,15 @@ export default function ChatSessionView() {
         setSelectedProviderId(providerId || '');
         setSelectedModelId(sessionData.selectedModel || '');
         setSessionReasoningEffort(sessionData.reasoningEffort || 'off');
+
+        // Initialize numCtx: persisted value wins, otherwise model's contextWindow
+        if (sessionData.numCtx) {
+          setSessionNumCtx(sessionData.numCtx);
+        } else {
+          const provider = allProviders.find(p => p._id === providerId);
+          const model = provider?.models.find(m => m.id === sessionData.selectedModel);
+          setSessionNumCtx(model?.contextWindow || 131072);
+        }
         
         // Set connection state to connecting - will update on socket connect
         setConnectionState('connecting');
@@ -792,13 +804,16 @@ export default function ChatSessionView() {
     }
   };
 
-  const getSelectedModelCapabilities = useCallback(() => {
+  const getSelectedModel = useCallback(() => {
     const provider = providers.find(p => p._id === selectedProviderId);
     if (!provider) return null;
-    const model = provider.models.find(m => m.id === selectedModelId);
+    return provider.models.find(m => m.id === selectedModelId) || null;
-    return model?.capabilities || null;
   }, [providers, selectedProviderId, selectedModelId]);
 
+  const getSelectedModelCapabilities = useCallback(() => {
+    return getSelectedModel()?.capabilities || null;
+  }, [getSelectedModel]);
+
   const handleReasoningChange = async (e: React.ChangeEvent<HTMLSelectElement>) => {
     if (!session) return;
 
@@ -820,6 +835,28 @@ export default function ChatSessionView() {
     }
   };
 
+  const handleNumCtxChange = (e: React.ChangeEvent<HTMLInputElement>) => {
+    setSessionNumCtx(parseInt(e.target.value, 10));
+  };
+
+  const handleNumCtxCommit = async (e: React.MouseEvent<HTMLInputElement> | React.TouchEvent<HTMLInputElement>) => {
+    if (!session || isUpdatingNumCtx) return;
+
+    const newValue = parseInt(e.currentTarget.value, 10);
+    setIsUpdatingNumCtx(true);
+    try {
+      const updatedSession = await chatSessionApi.update(session._id, {
+        numCtx: newValue
+      });
+      setSession(updatedSession);
+      showToast(`Context window set to ${newValue.toLocaleString()}`);
+    } catch (err) {
+      showToast(`Failed to change context window: ${err instanceof Error ? err.message : 'Unknown error'}`);
+    } finally {
+      setIsUpdatingNumCtx(false);
+    }
+  };
+
   const getProviderName = (id: string) => {
     return providers.find(p => p._id === id)?.name ?? 'None';
   };
@@ -858,6 +895,13 @@ export default function ChatSessionView() {
       setSession(updatedSession);
       setSelectedProviderId(editProviderId);
       setSelectedModelId(editModelId);
+
+      // Reset numCtx to new model's max context window
+      const newProvider = providers.find(p => p._id === editProviderId);
+      const newModel = newProvider?.models.find(m => m.id === editModelId);
+      const newMaxCtx = newModel?.contextWindow || 131072;
+      setSessionNumCtx(newMaxCtx);
+
       setIsEditingProvider(false);
       showToast('Provider and model updated');
     } catch (err) {
@@ -1164,232 +1208,52 @@ export default function ChatSessionView() {
 
       {/* Sidebar */}
       <div className="w-80 border-l border-border-subtle bg-bg-secondary flex flex-col">
-        {/* SESSION Panel */}
+        <SessionPanel
-        <div className="border-b border-border-subtle shrink-0">
+          session={session}
-          <div className="flex items-center justify-between px-4 py-2 bg-bg-tertiary">
+          workspaceMode={workspaceMode}
-            <h3 className="text-sm font-semibold text-text-secondary uppercase tracking-wider">
+          sessionLocked={sessionLocked}
-              Session
+          providers={providers}
-            </h3>
+          selectedProviderId={selectedProviderId}
-            <WorkspaceModeIndicator
+          selectedModelId={selectedModelId}
-              mode={workspaceMode}
+          sessionReasoningEffort={sessionReasoningEffort}
-              onChange={handleWorkspaceModeChange}
+          sessionNumCtx={sessionNumCtx}
-              disabled={!sessionLocked || isEditingProvider}
+          isEditingProvider={isEditingProvider}
-            />
+          editProviderId={editProviderId}
-          </div>
+          editModelId={editModelId}
-            <div className="p-4 space-y-3">
+          isUpdatingProvider={isUpdatingProvider}
-              <div>
+          isEditingName={isEditingName}
-                <div className="text-xs text-text-muted">Name</div>
+          editName={editName}
-                {isEditingName ? (
+          isUpdatingName={isUpdatingName}
-                  <div className="flex gap-2 mt-1">
+          isUpdatingMode={isUpdatingMode}
-                    <input
+          isUpdatingReasoning={isUpdatingReasoning}
-                      type="text"
+          isUpdatingNumCtx={isUpdatingNumCtx}
-                      value={editName}
+          onWorkspaceModeChange={handleWorkspaceModeChange}
-                      onChange={(e) => setEditName(e.target.value)}
+          onModeChange={handleModeChange}
-                      onKeyDown={(e) => {
+          onReasoningChange={handleReasoningChange}
-                        if (e.key === 'Enter') { e.preventDefault(); handleSaveName(); }
+          onNumCtxChange={handleNumCtxChange}
-                        if (e.key === 'Escape') { e.preventDefault(); handleCancelEditName(); }
+          onNumCtxCommit={handleNumCtxCommit}
-                      }}
+          onStartEditProvider={handleStartEditProvider}
-                      className="flex-1 px-2 py-1.5 bg-bg-tertiary border border-border-default rounded text-text-primary text-sm focus:border-brand focus:outline-none"
+          onSaveProvider={handleSaveProvider}
-                      autoFocus
+          onCancelEditProvider={handleCancelEditProvider}
-                    />
+          onEditProviderIdChange={setEditProviderId}
-                    <button
+          onEditModelIdChange={setEditModelId}
-                      title="Save"
+          onStartEditName={handleStartEditName}
-                      onClick={handleSaveName}
+          onSaveName={handleSaveName}
-                      disabled={!editName.trim() || isUpdatingName}
+          onCancelEditName={handleCancelEditName}
-                      className="text-green-500 hover:text-green-400 disabled:opacity-30 disabled:cursor-not-allowed transition-colors self-center"
+          onEditNameChange={setEditName}
-                    >
+          getProviderName={getProviderName}
-                      <svg className="w-5 h-5" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+          getModelName={getModelName}
-                        <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M5 13l4 4L19 7" />
+          getSortedModels={getSortedModels}
-                      </svg>
+          truncateModelName={truncateModelName}
-                    </button>
+          getSelectedModelCapabilities={getSelectedModelCapabilities}
-                    <button
+          getSelectedModel={getSelectedModel}
-                      title="Cancel"
+        />
-                      onClick={handleCancelEditName}
-                      disabled={isUpdatingName}
-                      className="text-red-500 hover:text-red-400 disabled:opacity-30 transition-colors self-center"
-                    >
-                      <svg className="w-5 h-5" fill="none" viewBox="0 0 24 24" stroke="currentColor">
-                        <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M6 18L18 6M6 6l12 12" />
-                      </svg>
-                    </button>
-                  </div>
-                ) : (
-                  <div className="flex gap-2 items-center mt-1">
-                    <div className="text-text-primary flex-1">{session?.name}</div>
-                    <button
-                      title="Edit name"
-                      onClick={handleStartEditName}
-                      className="text-text-muted hover:text-text-primary transition-colors"
-                    >
-                      <svg className="w-4 h-4" fill="none" viewBox="0 0 24 24" stroke="currentColor">
-                        <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M10.325 4.317c.426-1.756 2.924-1.756 3.35 0a1.724 1.724 0 002.573 1.066c1.543-.94 3.31.826 2.37 2.37a1.724 1.724 0 001.066 2.573c1.756.426 1.756 2.924 0 3.35a1.724 1.724 0 00-1.066 2.573c.94 1.543-.826 3.31-2.37 2.37a1.724 1.724 0 00-2.573 1.066c-.426 1.756-2.924 1.756-3.35 0a1.724 1.724 0 00-2.573-1.066c-1.543.94-3.31-.826-2.37-2.37a1.724 1.724 0 00-1.066-2.573c-1.756-.426-1.756-2.924 0-3.35a1.724 1.724 0 001.066-2.573c-.94-1.543.826-3.31 2.37-2.37.996.608 2.296.07 2.572-1.065z" />
-                        <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M15 12a3 3 0 11-6 0 3 3 0 016 0z" />
-                      </svg>
-                    </button>
-                  </div>
-                )}
-              </div>
-              {isEditingProvider ? (
-                <div className="flex gap-2">
-                  <div className="flex-1">
-                    <div className="text-xs text-text-muted">Provider</div>
-                    <select
-                      value={editProviderId || ''}
-                      onChange={(e) => { setEditProviderId(e.target.value); setEditModelId(''); }}
-                      className="w-full mt-1 px-2 py-1.5 bg-bg-tertiary border border-border-default rounded text-text-primary text-sm focus:border-brand focus:outline-none"
-                    >
-                      <option value="">-- Select Provider --</option>
-                      {providers.map((provider) => (
-                        <option key={provider._id} value={provider._id}>
-                          {provider.name}
-                        </option>
-                      ))}
-                    </select>
-                  </div>
-                  <div className="flex-1">
-                    <div className="text-xs text-text-muted">Model</div>
-                    <select
-                      value={editModelId || ''}
-                      onChange={(e) => setEditModelId(e.target.value)}
-                      disabled={!editProviderId}
-                      className="w-full mt-1 px-2 py-1.5 bg-bg-tertiary border border-border-default rounded text-text-primary text-sm focus:border-brand focus:outline-none disabled:opacity-50 disabled:cursor-not-allowed truncate"
-                    >
-                      {!editProviderId ? (
-                        <option value="">Select provider first</option>
-                      ) : (
-                        <>
-                          <option value="">-- Select Model --</option>
-                          {getSortedModels(editProviderId).map((model) => (
-                            <option key={model.id} value={model.id}>
-                              {truncateModelName(model.name)}
-                            </option>
-                          ))}
-                        </>
-                      )}
-                    </select>
-                  </div>
-                  <div className="flex items-end gap-1 pb-1">
-                    <button
-                      title="Save"
-                      onClick={handleSaveProvider}
-                      disabled={!editProviderId || !editModelId || isUpdatingProvider}
-                      className="text-green-500 hover:text-green-400 disabled:opacity-30 disabled:cursor-not-allowed transition-colors"
-                    >
-                      <svg className="w-5 h-5" fill="none" viewBox="0 0 24 24" stroke="currentColor">
-                        <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M5 13l4 4L19 7" />
-                      </svg>
-                    </button>
-                    <button
-                      title="Cancel"
-                      onClick={handleCancelEditProvider}
-                      disabled={isUpdatingProvider}
-                      className="text-red-500 hover:text-red-400 disabled:opacity-30 transition-colors"
-                    >
-                      <svg className="w-5 h-5" fill="none" viewBox="0 0 24 24" stroke="currentColor">
-                        <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M6 18L18 6M6 6l12 12" />
-                      </svg>
-                    </button>
-                  </div>
-                </div>
-              ) : (
-                <div className="flex gap-2">
-                  <div className="flex-1">
-                    <div className="text-xs text-text-muted">Provider</div>
-                    <div className="text-text-primary text-sm mt-1">{getProviderName(selectedProviderId)}</div>
-                  </div>
-                  <div className="flex-1">
-                    <div className="text-xs text-text-muted">Model</div>
-                    <div
-                      className="text-text-primary text-sm mt-1 truncate"
-                      title={getModelName(selectedProviderId, selectedModelId)}
-                    >
-                      {getModelName(selectedProviderId, selectedModelId)}
-                    </div>
-                  </div>
-                  <button
-                    title="Change provider/model..."
-                    onClick={handleStartEditProvider}
-                    className="self-end pb-1 text-text-muted hover:text-text-primary transition-colors"
-                  >
-                    <svg className="w-4 h-4" fill="none" viewBox="0 0 24 24" stroke="currentColor">
-                      <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M10.325 4.317c.426-1.756 2.924-1.756 3.35 0a1.724 1.724 0 002.573 1.066c1.543-.94 3.31.826 2.37 2.37a1.724 1.724 0 001.066 2.573c1.756.426 1.756 2.924 0 3.35a1.724 1.724 0 00-1.066 2.573c.94 1.543-.826 3.31-2.37 2.37a1.724 1.724 0 00-2.573 1.066c-.426 1.756-2.924 1.756-3.35 0a1.724 1.724 0 00-2.573-1.066c-1.543.94-3.31-.826-2.37-2.37a1.724 1.724 0 00-1.066-2.573c-1.756-.426-1.756-2.924 0-3.35a1.724 1.724 0 001.066-2.573c-.94-1.543.826-3.31 2.37-2.37.996.608 2.296.07 2.572-1.065z" />
-                      <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M15 12a3 3 0 11-6 0 3 3 0 016 0z" />
-                    </svg>
-                  </button>
-                </div>
-              )}
-              <div>
-                <div className="text-xs text-text-muted">Mode</div>
-                <select
-                  value={session?.mode || ChatSessionMode.Build}
-                  onChange={handleModeChange}
-                  disabled={isUpdatingMode}
-                  className="w-full mt-1 px-2 py-1.5 bg-bg-tertiary border border-border-default rounded text-text-primary text-sm focus:border-brand focus:outline-none disabled:opacity-50 disabled:cursor-not-allowed"
-                >
-                  {Object.values(ChatSessionMode).map((mode) => (
-                    <option key={mode} value={mode}>
-                      {mode.charAt(0).toUpperCase() + mode.slice(1)}
-                    </option>
-                  ))}
-                </select>
-              </div>
-              <div>
-                <div className="text-xs text-text-muted">Reasoning</div>
-                <select
-                  value={sessionReasoningEffort}
-                  onChange={handleReasoningChange}
-                  disabled={isUpdatingReasoning || !getSelectedModelCapabilities()?.hasThinking}
-                  className="w-full mt-1 px-2 py-1.5 bg-bg-tertiary border border-border-default rounded text-text-primary text-sm focus:border-brand focus:outline-none disabled:opacity-50 disabled:cursor-not-allowed"
-                  title={
-                    !getSelectedModelCapabilities()?.hasThinking
-                      ? "Selected model does not support reasoning"
-                      : "Controls how much the model thinks before responding"
-                  }
-                >
-                  <option value="off">Off</option>
-                  <option value="low">Low</option>
-                  <option value="medium">Medium</option>
-                  <option value="high">High</option>
-                </select>
-              </div>
-            </div>
-        </div>
 
-        {/* PROJECT Panel */}
+        <ProjectPanel
-        <div className="border-b border-border-subtle shrink-0">
+          project={project}
-          <div className="flex items-center justify-between px-4 py-2 bg-bg-tertiary">
+          onNavigateToProject={() => navigate(`/projects/${project?.slug}`)}
-            <h3 className="text-sm font-semibold text-text-secondary uppercase tracking-wider">
+        />
-              Project
-            </h3>
-            <button
-              title="Project Manager"
-              onClick={() => navigate(`/projects/${project?.slug}`)}
-              className="text-text-muted hover:text-text-primary transition-colors"
-            >
-              <svg className="w-4 h-4" fill="none" viewBox="0 0 24 24" stroke="currentColor">
-                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M3 12l2-2m0 0l7-7 7 7M5 10v10a1 1 0 001 1h3m10-11l2 2m-2-2v10a1 1 0 01-1 1h-3m-6 0a1 1 0 001-1v-4a1 1 0 011-1h2a1 1 0 011 1v4a1 1 0 001 1m-6 0h6" />
-              </svg>
-            </button>
-          </div>
-          <div className="p-4 space-y-2">
-            {project ? (
-              <>
-                <div>
-                  <div className="text-xs text-text-muted">Name</div>
-                  <div className="text-text-primary">{project.name}</div>
-                </div>
-                <div>
-                  <div className="text-xs text-text-muted">Slug</div>
-                  <div className="font-mono text-xs text-text-secondary">{project.slug}</div>
-                </div>
-              </>
-            ) : (
-              <div className="text-text-muted text-sm">Loading...</div>
-            )}
-          </div>
-        </div>
 
-        {/* FILES Panel */}
         <FilesPanel 
           workspaceMode={workspaceMode} 
           onFileSelect={(path) => {

gadget-code/frontend/src/pages/ProjectManager.tsx

@@ -12,6 +12,7 @@ import {
   providerApi,
 } from "../lib/api";
 import { socketClient } from "../lib/socket";
+import gabAiImage from "./assets/gab-ai.jpeg";
 
 interface ProjectManagerProps {
   user: User | null;
@@ -231,7 +232,11 @@ interface ProjectInspectorProps {
   onUpdate: () => void;
 }
 
-function ProjectInspector({ project, onDelete, onUpdate }: ProjectInspectorProps) {
+function ProjectInspector({
+  project,
+  onDelete,
+  onUpdate,
+}: ProjectInspectorProps) {
   const [deleting, setDeleting] = useState(false);
   const [editing, setEditing] = useState(false);
 
@@ -279,7 +284,9 @@ function ProjectInspector({ project, onDelete, onUpdate }: ProjectInspectorProps
                 </div>
                 <div className="p-4 bg-bg-secondary border border-border-default rounded">
                   <div className="text-sm text-text-muted mb-1">Slug</div>
-                  <div className="font-mono text-text-primary">{project.slug}</div>
+                  <div className="font-mono text-text-primary">
+                    {project.slug}
+                  </div>
                 </div>
               </div>
 
@@ -652,118 +659,152 @@ function NewChatSessionModal({
     }
   };
 
+  const affiliateHref = "https://gab.ai/?ref=c7182f6e";
+
   return (
     <div className="fixed inset-0 bg-black/80 flex items-center justify-center z-50">
-      <div className="bg-bg-secondary border border-border-default rounded p-6 w-full max-w-md">
+      <div className="bg-bg-secondary border border-border-default rounded p-6 w-full max-w-2xl flex gap-6">
-        <h3 className="text-lg font-semibold mb-4">New Chat Session</h3>
+        <div className="w-48 flex-shrink-0 flex flex-col">
-        {selectedDrone && (
+          <a
-          <div className="mb-4 p-3 bg-bg-tertiary border border-border-default rounded">
+            href={affiliateHref}
-            <div className="text-xs text-text-muted mb-1">Selected Drone</div>
+            target="_blank"
-            <div className="font-mono text-sm text-text-primary">
+            rel="noopener noreferrer"
-              {selectedDrone.hostname}
+            className="flex-shrink-0"
+          >
+            <img src={gabAiImage} alt="Gab AI" className="w-full rounded" />
+          </a>
+          <p className="flex-1 flex items-center justify-center text-center text-lg text-text-secondary px-1">
+            Need big-brain inference for this session?
+          </p>
+          <p className="flex-1 flex items-center justify-center text-left text-sm text-text-secondary px-1">
+            Sign up for Gab AI and get 250 credits to see if it's right for you!
+          </p>
+          <a
+            href={affiliateHref}
+            target="_blank"
+            rel="noopener noreferrer"
+            className="flex-shrink-0"
+          >
+            <button className="w-full px-4 py-2 border border-[#00d178] text-[#00d178] rounded hover:bg-[#00d178] hover:text-white text-sm font-medium transition-colors">
+              Get Started
+            </button>
+          </a>
+        </div>
+        <div className="flex-1 border-l border-border-subtle pl-6">
+          <h3 className="text-lg font-semibold mb-4">New Chat Session</h3>
+          {selectedDrone && (
+            <div className="mb-4 p-3 bg-bg-tertiary border border-border-default rounded">
+              <div className="text-xs text-text-muted mb-1">Selected Drone</div>
+              <div className="font-mono text-sm text-text-primary">
+                {selectedDrone.hostname}
+              </div>
+              <div className="text-xs text-text-muted truncate">
+                {selectedDrone.workspaceDir}
+              </div>
             </div>
-            <div className="text-xs text-text-muted truncate">
+          )}
-              {selectedDrone.workspaceDir}
+          <form onSubmit={handleSubmit} className="space-y-4">
-            </div>
-          </div>
-        )}
-        <form onSubmit={handleSubmit} className="space-y-4">
-          <div>
-            <label className="block text-sm text-text-secondary mb-1">
-              Session Name (optional)
-            </label>
-            <input
-              type="text"
-              value={name}
-              onChange={(e) => setName(e.target.value)}
-              className="w-full px-3 py-2 bg-bg-tertiary border border-border-default rounded text-text-primary focus:border-brand focus:outline-none"
-              placeholder="Auto-generated from first prompt"
-            />
-          </div>
-
-          <div>
-            <label className="block text-sm text-text-secondary mb-1">
-              AI Provider *
-            </label>
-            <select
-              value={selectedProviderId}
-              onChange={(e) => {
-                setSelectedProviderId(e.target.value);
-                setSelectedModel("");
-              }}
-              className="w-full px-3 py-2 bg-bg-tertiary border border-border-default rounded text-text-primary focus:border-brand focus:outline-none"
-            >
-              <option value="">Select a provider</option>
-              {providers.map((provider) => (
-                <option key={provider._id} value={provider._id}>
-                  {provider.name} ({provider.apiType})
-                </option>
-              ))}
-            </select>
-          </div>
-
-          {selectedProvider && (
             <div>
               <label className="block text-sm text-text-secondary mb-1">
-                Model *
+                Session Name (optional)
+              </label>
+              <input
+                type="text"
+                value={name}
+                onChange={(e) => setName(e.target.value)}
+                className="w-full px-3 py-2 bg-bg-tertiary border border-border-default rounded text-text-primary focus:border-brand focus:outline-none"
+                placeholder="Auto-generated from first prompt"
+              />
+            </div>
+
+            <div>
+              <label className="block text-sm text-text-secondary mb-1">
+                AI Provider *
               </label>
               <select
-                value={selectedModel}
+                value={selectedProviderId}
-                onChange={(e) => setSelectedModel(e.target.value)}
+                onChange={(e) => {
+                  setSelectedProviderId(e.target.value);
+                  setSelectedModel("");
+                }}
                 className="w-full px-3 py-2 bg-bg-tertiary border border-border-default rounded text-text-primary focus:border-brand focus:outline-none"
-                disabled={selectedProvider.models.length === 0}
               >
-                <option value="">Select a model</option>
+                <option value="">Select a provider</option>
-                {[...selectedProvider.models].sort((a, b) => a.name.localeCompare(b.name)).map((model) => (
+                {providers.map((provider) => (
-                  <option key={model.id} value={model.id}>
+                  <option key={provider._id} value={provider._id}>
-                    {model.name}{" "}
+                    {provider.name} ({provider.apiType})
-                    {model.parameterLabel ? `(${model.parameterLabel})` : ""}
                   </option>
                 ))}
               </select>
-              {selectedProvider.models.length === 0 && (
-                <p className="text-xs text-text-muted mt-1">
-                  No models discovered. Run `pnpm cli provider probe{" "}
-                  {selectedProvider._id}` to discover models.
-                </p>
-              )}
             </div>
-          )}
 
-          <div>
+            {selectedProvider && (
-            <label className="block text-sm text-text-secondary mb-1">
+              <div>
-              Mode
+                <label className="block text-sm text-text-secondary mb-1">
-            </label>
+                  Model *
-            <select
+                </label>
-              value={mode}
+                <select
-              onChange={(e) => setMode(e.target.value)}
+                  value={selectedModel}
-              className="w-full px-3 py-2 bg-bg-tertiary border border-border-default rounded text-text-primary focus:border-brand focus:outline-none"
+                  onChange={(e) => setSelectedModel(e.target.value)}
-            >
+                  className="w-full px-3 py-2 bg-bg-tertiary border border-border-default rounded text-text-primary focus:border-brand focus:outline-none"
-              <option value="plan">Plan - Planning and brainstorming</option>
+                  disabled={selectedProvider.models.length === 0}
-              <option value="build">Build - Building and coding</option>
+                >
-              <option value="test">Test - Testing and debugging</option>
+                  <option value="">Select a model</option>
-              <option value="ship">Ship - Finalizing and shipping</option>
+                  {[...selectedProvider.models]
-              <option value="dev">Dev - Working on Gadget Code itself</option>
+                    .sort((a, b) => a.name.localeCompare(b.name))
-            </select>
+                    .map((model) => (
-          </div>
+                      <option key={model.id} value={model.id}>
+                        {model.name}{" "}
+                        {model.parameterLabel
+                          ? `(${model.parameterLabel})`
+                          : ""}
+                      </option>
+                    ))}
+                </select>
+                {selectedProvider.models.length === 0 && (
+                  <p className="text-xs text-text-muted mt-1">
+                    No models discovered. Run `pnpm cli provider probe{" "}
+                    {selectedProvider._id}` to discover models.
+                  </p>
+                )}
+              </div>
+            )}
 
-          <div className="flex gap-3 pt-4">
+            <div>
-            <button
+              <label className="block text-sm text-text-secondary mb-1">
-              type="submit"
+                Mode
-              disabled={creating || !selectedProviderId || !selectedModel}
+              </label>
-              className="px-4 py-2 bg-brand text-white rounded hover:bg-red-700 transition-colors disabled:opacity-50 flex-1"
+              <select
-            >
+                value={mode}
-              {creating ? "Creating..." : "Create Session"}
+                onChange={(e) => setMode(e.target.value)}
-            </button>
+                className="w-full px-3 py-2 bg-bg-tertiary border border-border-default rounded text-text-primary focus:border-brand focus:outline-none"
-            <button
+              >
-              type="button"
+                <option value="plan">Plan - Planning and brainstorming</option>
-              onClick={onCancel}
+                <option value="build">Build - Building and coding</option>
-              className="px-4 py-2 border border-border-default text-text-secondary rounded hover:bg-bg-tertiary transition-colors"
+                <option value="test">Test - Testing and debugging</option>
-            >
+                <option value="ship">Ship - Finalizing and shipping</option>
-              Cancel
+                <option value="dev">Dev - Working on Gadget Code itself</option>
-            </button>
+              </select>
-          </div>
+            </div>
-        </form>
+
+            <div className="flex gap-3 pt-4">
+              <button
+                type="submit"
+                disabled={creating || !selectedProviderId || !selectedModel}
+                className="px-4 py-2 bg-brand text-white rounded hover:bg-red-700 transition-colors disabled:opacity-50 flex-1"
+              >
+                {creating ? "Creating..." : "Create Session"}
+              </button>
+              <button
+                type="button"
+                onClick={onCancel}
+                className="px-4 py-2 border border-border-default text-text-secondary rounded hover:bg-bg-tertiary transition-colors"
+              >
+                Cancel
+              </button>
+            </div>
+          </form>
+        </div>
       </div>
     </div>
   );
@@ -774,7 +815,9 @@ export default function ProjectManager({ user }: ProjectManagerProps) {
   const { slug } = useParams();
   const [projects, setProjects] = useState<Project[]>([]);
   const [selectedProject, setSelectedProject] = useState<Project | null>(null);
-  const [selectedDrone, setSelectedDrone] = useState<DroneRegistration | null>(null);
+  const [selectedDrone, setSelectedDrone] = useState<DroneRegistration | null>(
+    null,
+  );
   const [loading, setLoading] = useState(true);
   const [showNewForm, setShowNewForm] = useState(false);
 
@@ -839,7 +882,10 @@ export default function ProjectManager({ user }: ProjectManagerProps) {
         console.error("Failed to lock drone session");
         return;
       }
-      localStorage.setItem('dtp_drone_registration', JSON.stringify(selectedDrone));
+      localStorage.setItem(
+        "dtp_drone_registration",
+        JSON.stringify(selectedDrone),
+      );
       navigate(`/projects/${selectedProject._id}/chat-session/${sessionId}`);
     } catch (err) {
       console.error("Failed to open chat session", err);

gadget-code/frontend/src/types/assets.d.ts

@@ -0,0 +1,29 @@
+declare module "*.jpeg" {
+  const src: string;
+  export default src;
+}
+
+declare module "*.jpg" {
+  const src: string;
+  export default src;
+}
+
+declare module "*.png" {
+  const src: string;
+  export default src;
+}
+
+declare module "*.gif" {
+  const src: string;
+  export default src;
+}
+
+declare module "*.svg" {
+  const src: string;
+  export default src;
+}
+
+declare module "*.webp" {
+  const src: string;
+  export default src;
+}

gadget-code/src/controllers/api/v1/chat-session.ts

@@ -179,6 +179,7 @@ class ChatSessionController extends DtpController {
         selectedModel: string;
         mode: ChatSessionMode;
         reasoningEffort: "off" | "low" | "medium" | "high";
+        numCtx: number;
       }> = {};
 
       if (updates.name !== undefined) {
@@ -204,6 +205,12 @@ class ChatSessionController extends DtpController {
         }
         allowedUpdates.reasoningEffort = updates.reasoningEffort;
       }
+      if (updates.numCtx !== undefined) {
+        if (typeof updates.numCtx !== "number" || !Number.isInteger(updates.numCtx) || updates.numCtx < 16384 || updates.numCtx % 8192 !== 0) {
+          throw new Error(`Invalid numCtx: ${updates.numCtx}. Must be an integer >= 16384 and a multiple of 8192.`);
+        }
+        allowedUpdates.numCtx = updates.numCtx;
+      }
 
       const session = await ChatSessionService.update(
         res.locals.chatSession._id,

gadget-code/src/models/chat-session.ts

@@ -30,6 +30,7 @@ export const ChatSessionSchema = new Schema<IChatSession>({
     enum: ["off", "low", "medium", "high"],
     default: "off",
   },
+  numCtx: { type: Number },
   stats: {
     turnCount: { type: Number, default: 0, required: true },
     toolCallCount: { type: Number, default: 0, required: true },

gadget-code/src/models/chat-turn.ts

@@ -69,6 +69,7 @@ export const ChatTurnSchema = new Schema<IChatTurn>({
     enum: ["off", "low", "medium", "high"],
     default: "off",
   },
+  numCtx: { type: Number },
   mode: {
     type: String,
     enum: ChatSessionMode,

gadget-code/src/services/chat-session.ts

@@ -202,6 +202,7 @@ class ChatSessionService extends DtpService {
       selectedModel: string;
       mode: ChatSessionMode;
       reasoningEffort: ReasoningEffort;
+      numCtx: number;
     }>,
   ): Promise<IChatSession> {
     const session = await ChatSession.findById(chatSessionId);
@@ -230,6 +231,9 @@ class ChatSessionService extends DtpService {
     if (updates.reasoningEffort !== undefined) {
       session.reasoningEffort = updates.reasoningEffort;
     }
+    if (updates.numCtx !== undefined) {
+      session.numCtx = updates.numCtx;
+    }
 
     await session.save();
 
@@ -276,6 +280,7 @@ class ChatSessionService extends DtpService {
       provider: session.provider,
       llm: session.selectedModel,
       reasoningEffort: (session as IChatSession).reasoningEffort || "off",
+      numCtx: (session as IChatSession).numCtx,
       mode: session.mode,
       status: ChatTurnStatus.Processing,
       prompts: {

gadget-drone/src/services/agent.ts

@@ -218,7 +218,7 @@ class AgentService extends GadgetService {
           try {
             response = await AiService.chat(
               turn.provider,
-              this.buildDroneModelConfig(turn.provider, turn.llm, currentReasoning),
+              this.buildDroneModelConfig(turn.provider, turn.llm, currentReasoning, turn.numCtx),
               chatOptions,
               this.makeStreamHandler(socket),
             );
@@ -337,6 +337,7 @@ class AgentService extends GadgetService {
   abortCurrentWorkOrder(): boolean {
     if (!this.abortController) return false;
     this.abortController.abort();
+    AiService.abort();
     return true;
   }
 
@@ -473,6 +474,7 @@ class AgentService extends GadgetService {
     provider: IAiProvider | GadgetId,
     modelId: string,
     reasoning: boolean | "low" | "medium" | "high",
+    numCtxOverride?: number,
   ): Omit<IDroneModelConfig, "provider"> {
     const settings = this.getModelSettings(provider, modelId);
     return {
@@ -483,7 +485,7 @@ class AgentService extends GadgetService {
         topP: settings?.topP ?? 0.9,
         topK: settings?.topK ?? 40,
         numPredict: settings?.numPredict ?? -1,         // -1 = unlimited (Ollama)
-        numCtx: settings?.numCtx ?? 131072,             // 128k fallback
+        numCtx: numCtxOverride ?? settings?.numCtx ?? 131072, // session override > model settings > 128k fallback
         maxCompletionTokens: settings?.maxCompletionTokens ?? 16384, // 16k fallback
       },
     };
@@ -625,7 +627,7 @@ class AgentService extends GadgetService {
 
         const response = await AiService.chat(
           provider,
-          this.buildDroneModelConfig(provider, turn.llm, false),
+          this.buildDroneModelConfig(provider, turn.llm, false, turn.numCtx),
           chatOptions,
           streamHandler,
         );

gadget-drone/src/services/ai.ts

@@ -18,6 +18,7 @@ const aiEnv: IAiEnvironment = {
 import { IAiProvider as DbAiProvider, GadgetId, type IDroneModelConfig } from "@gadget/api";
 import { GadgetService } from "../lib/service.js";
 import {
+  AiApi,
   type IAiChatOptions,
   type IAiChatResponse,
   type IAiGenerateOptions,
@@ -47,6 +48,8 @@ class AiService extends GadgetService {
     return "svc:ai";
   }
 
+  private activeApi: AiApi | null = null;
+
   async start(): Promise<void> {
     this.log.info("started");
   }
@@ -103,7 +106,11 @@ class AiService extends GadgetService {
     });
     const api = this.getApi(config);
     const modelConfig: IAiModelConfig = { ...model, provider: config };
-    return api.generate(modelConfig, options, streamCallback);
+    try {
+      return await api.generate(modelConfig, options, streamCallback);
+    } finally {
+      this.activeApi = null;
+    }
   }
 
   async chat(
@@ -121,11 +128,23 @@ class AiService extends GadgetService {
     });
     const api = this.getApi(config);
     const modelConfig: IAiModelConfig = { ...model, provider: config };
-    return await api.chat(modelConfig, options, streamCallback);
+    try {
+      return await api.chat(modelConfig, options, streamCallback);
+    } finally {
+      this.activeApi = null;
+    }
   }
 
   getApi(provider: AiProviderConfig) {
-    return createAiApi(aiEnv, provider, this.log);
+    const api = createAiApi(aiEnv, provider, this.log);
+    this.activeApi = api;
+    return api;
+  }
+
+  /** Forcefully abort any in-progress request on the active API instance. */
+  abort(): void {
+    this.activeApi?.abort();
+    this.activeApi = null;
   }
 }
 

packages/ai/src/api.ts

@@ -196,6 +196,15 @@ export abstract class AiApi {
     streamCallback?: IAiResponseStreamFn,
   ): Promise<IAiChatResponse>;
 
+  /**
+   * Forcefully abort any in-progress API request.
+   * Provider-specific implementations (e.g., Ollama) should terminate
+   * the underlying HTTP request immediately. Default is no-op.
+   */
+  abort(): void {
+    // Override in provider-specific implementations
+  }
+
   protected assertNonEmptyChatResponse(response: IAiChatResponse): void {
     const hasResponse = response.response.trim().length > 0;
     const hasThinking = !!response.thinking?.trim();

packages/ai/src/ollama.ts

@@ -34,6 +34,11 @@ export class OllamaAiApi extends AiApi {
     });
   }
 
+  /** Forcefully abort any in-progress Ollama API request. */
+  override abort(): void {
+    this.client.abort();
+  }
+
   async listModels(): Promise<IAiModelListResult> {
     const response = await this.client.list();
     const models = response.models.map((model) => {

packages/api/src/interfaces/chat-session.ts

@@ -35,6 +35,7 @@ export interface IChatSession {
   provider: IAiProvider | GadgetId;
   selectedModel: string;
   reasoningEffort?: ReasoningEffort;
+  numCtx?: number;
   stats: {
     turnCount: number;
     toolCallCount: number;

packages/api/src/interfaces/chat-turn.ts

@@ -86,6 +86,7 @@ export interface IChatTurn {
   provider: IAiProvider | GadgetId;
   llm: string; // id/name of the model used to process the prompt
   reasoningEffort?: ReasoningEffort;
+  numCtx?: number;
   mode: ChatSessionMode;
   status: ChatTurnStatus;
   prompts: IChatTurnPrompts;

scripts/forever-sleep.js

@@ -0,0 +1,27 @@
+#!/usr/bin/env node
+
+/**
+ * forever-sleep.js
+ * A script that sleeps, wakes up every 5 seconds, logs to stdout, then goes back to sleep.
+ */
+
+const sleep = (ms) => new Promise(resolve => setTimeout(resolve, ms));
+
+async function main() {
+  console.log('forever-sleep: Starting...');
+  
+  while (true) {
+    const timestamp = new Date().toISOString();
+    console.log(`forever-sleep: ${timestamp} - Waking up (sleeping for 5 seconds)...`);
+    
+    await sleep(5000);
+    
+    const timestampAfter = new Date().toISOString();
+    console.log(`forever-sleep: ${timestampAfter} - Back to sleep...`);
+  }
+}
+
+main().catch(err => {
+  console.error('forever-sleep: Error:', err);
+  process.exit(1);
+});