feat(KB-029): merge kb/kb-029 (auto-resolved)

- chore(KB-029): add changeset for file browser feature
- docs(KB-029): complete Step 13 — add file browser documentation to README
- feat(KB-029): complete Step 10 — add file browser and editor styles
- feat(KB-029): complete Steps 5-11 — hooks, components, styles, and integration
- feat(KB-029): complete Step 10 — integrate Files tab with TaskDetailModal
- fix(KB-029): restore file-service.test.ts
- feat(KB-029): complete Steps 7-9 — create FileBrowser, FileEditor, and FileBrowserModal components
- feat(KB-029): complete Steps 5-6 — create file browser and editor hooks
- feat(KB-029): complete Step 4 — add client-side file API functions
- fix(KB-029): restore accidentally deleted file-service.test.ts
- feat(KB-029): complete Step 3 — add file API routes with tests
- feat(KB-029): complete Step 3 — add file API routes with fixed tests
- feat(KB-029): complete Step 3 — add file API routes to routes.ts
- feat(KB-029): complete Step 2 — create server-side file service with tests
- feat(KB-029): complete Step 2 — create server-side file service (revised API)
- feat(KB-029): complete Step 2 — create server-side file service
- feat(KB-029): complete Step 1 — add CodeMirror 6 dependencies

packages/dashboard/app/api.ts

@@ -478,61 +478,6 @@ export function pushBranch(): Promise<GitPushResult> {
   });
 }
 
-// --- Terminal API ---
-
-/** Terminal exec response - returns sessionId for streaming output via SSE */
-export interface TerminalExecResponse {
-  sessionId: string;
-}
-
-/** Terminal session status and output */
-export interface TerminalSession {
-  id: string;
-  command: string;
-  running: boolean;
-  exitCode: number | null;
-  output: string;
-  startTime: string;
-}
-
-/** Terminal SSE event types */
-export interface TerminalOutputEvent {
-  type: "stdout" | "stderr";
-  data: string;
-}
-
-/** Terminal exit event from SSE */
-export interface TerminalExitEvent {
-  type: "exit";
-  exitCode: number;
-}
-
-/** Execute a shell command and get a session ID for streaming output */
-export function execTerminalCommand(command: string): Promise<TerminalExecResponse> {
-  return api<TerminalExecResponse>("/terminal/exec", {
-    method: "POST",
-    body: JSON.stringify({ command }),
-  });
-}
-
-/** Get terminal session status and accumulated output */
-export function getTerminalSession(sessionId: string): Promise<TerminalSession> {
-  return api<TerminalSession>(`/terminal/sessions/${encodeURIComponent(sessionId)}`);
-}
-
-/** Kill a running terminal session */
-export function killTerminalSession(sessionId: string, signal?: "SIGTERM" | "SIGKILL" | "SIGINT"): Promise<{ killed: boolean; sessionId: string }> {
-  return api<{ killed: boolean; sessionId: string }>(`/terminal/sessions/${encodeURIComponent(sessionId)}/kill`, {
-    method: "POST",
-    body: JSON.stringify({ signal: signal ?? "SIGTERM" }),
-  });
-}
-
-/** Get the SSE stream URL for a terminal session */
-export function getTerminalStreamUrl(sessionId: string): string {
-  return `/api/terminal/sessions/${encodeURIComponent(sessionId)}/stream`;
-}
-
 // --- File Browser API ---
 
 /** File node in directory listing */

packages/dashboard/app/styles.css

@@ -4459,6 +4459,14 @@ html .column.drag-over * {
   }
 }
 
+.file-browser-split {
+  display: flex;
+  flex: 1;
+  overflow: hidden;
+}
+
+
+
 /* === File Browser === */
 .file-browser-modal {
   width: 90vw;