feat(sessions): "Operations" menu with in-place Reload (v0.223.0)

[vikasprogrammer]

What

Adds an Operations dropdown pinned top-right of every session's live terminal, next to Files. It gathers the session-lifecycle actions into one menu:

• Reload (new) — restart the agent process in place (kill the pane, then claude --resume the same session id) so a newly-connected MCP server is picked up. MCP servers only spawn at claude launch, so a running session otherwise can't see one added mid-run.
• Transfer — hand the run-as to another teammate (the "share" action; reuses the existing transfer flow).
• Fork — branch a new session from this conversation (moved here from the terminal tab-strip hover controls; still available on the session cards/rows).
• Stop / Delete.

Why Reload is safe

reloadSession is a lighter sibling of stopSession: it kills the pane and leaves the session resurrectable (no stop-marker), but writes no stopped episode and cancels only the now-unanswerable pending questions/approvals. So the run stays whole — the conversation is preserved via claude --resume and the real end-of-run episode still fires later. The session is parked stopped for the sub-second window before re-attach so the crash-detector (gone tmux on a running row) doesn't mislabel the restart. Gated to resumable claude-code sessions (headless runs have no launch env to resume).

Changes

• src/terminal.ts — TerminalManager.reloadSession; session.reloaded added to EPISODE_NOISE.
• src/server.ts — POST /api/sessions/:id/reload (same per-member gate as stop/resume).
• web/src/App.tsx — OperationsMenu component threaded through TerminalFrame → ImageDropZone; terminal remounts (nonce bump) after reload to re-attach and resurrect. Fork removed from the tab-strip hover controls.
• web/src/lib/api.ts — api.reloadSession.

Verification

• npm run typecheck, npm run build, cd web && npm run build — all clean.
• npm run test:governance — 68/68 passed.
• Isolated in-process harness against a real TerminalManager: unknown session → unknown session; a row with no persisted env → cannot be reloaded, and the guard returns before touching the pane (status unchanged).

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