fix(mt#5060): Watch the daemon's whole src/ tree and admit .json modules in the tray watcher

.claude/skills/cockpit-tray-dev/SKILL.md

@@ -27,7 +27,7 @@ You are working on `cockpit-tray/**`, the Tauri v2 macOS menu-bar app that super
 
 `cockpit-tray` involves two distinct build artifacts. "Why don't I see my change?" almost always means you've confused them:
 
-1. **The cockpit WEB app** (`src/cockpit/web/**`, `src/cockpit/server.ts`) — served by the daemon. A running tray app **auto-rebuilds the web bundle** (mt#2297) and **auto-restarts the daemon on backend changes** (mt#2299) when source changes (e.g. after `git pull`). So a cockpit-web change needs **no manual rebuild** — refresh the window, or let the watcher fire; the "Last build" / "Daemon uptime" menu lines confirm currency.
+1. **The cockpit WEB app** (`src/cockpit/web/**`, `src/cockpit/server.ts`) — served by the daemon. A running tray app **auto-rebuilds the web bundle** (mt#2297) and **auto-restarts the daemon on backend changes** (mt#2299) when source changes (e.g. after `git pull`) — any non-test module under `src/**` or `packages/*/src`, not just `src/cockpit` (mt#4230, mt#5060). So a cockpit-web change needs **no manual rebuild** — refresh the window, or let the watcher fire; the "Last build" / "Daemon uptime" menu lines confirm currency.
 2. **The tray app's own Rust binary** (`cockpit-tray/src-tauri/**`) — the `.app` itself: menu items, the window, supervision logic. This is **NOT** auto-rebuilt. The installed `/Applications/Minsky Cockpit.app` is a static compiled bundle; merging a Rust change to `main` does nothing to it until you rebuild. This is the layer that bites: mt#2219 (the "Open Cockpit" menu item) was a tray-binary change, so it stayed invisible in the running menu bar until a rebuild.
 
 Decision: **cockpit-web change → no tray rebuild, just refresh. Tray-binary change → `bun run dev` (iterate) or build+reinstall (release).**

.minsky/skills/cockpit-tray-dev/content.md

@@ -15,7 +15,7 @@ You are working on `cockpit-tray/**`, the Tauri v2 macOS menu-bar app that super
 
 `cockpit-tray` involves two distinct build artifacts. "Why don't I see my change?" almost always means you've confused them:
 
-1. **The cockpit WEB app** (`src/cockpit/web/**`, `src/cockpit/server.ts`) — served by the daemon. A running tray app **auto-rebuilds the web bundle** (mt#2297) and **auto-restarts the daemon on backend changes** (mt#2299) when source changes (e.g. after `git pull`). So a cockpit-web change needs **no manual rebuild** — refresh the window, or let the watcher fire; the "Last build" / "Daemon uptime" menu lines confirm currency.
+1. **The cockpit WEB app** (`src/cockpit/web/**`, `src/cockpit/server.ts`) — served by the daemon. A running tray app **auto-rebuilds the web bundle** (mt#2297) and **auto-restarts the daemon on backend changes** (mt#2299) when source changes (e.g. after `git pull`) — any non-test module under `src/**` or `packages/*/src`, not just `src/cockpit` (mt#4230, mt#5060). So a cockpit-web change needs **no manual rebuild** — refresh the window, or let the watcher fire; the "Last build" / "Daemon uptime" menu lines confirm currency.
 2. **The tray app's own Rust binary** (`cockpit-tray/src-tauri/**`) — the `.app` itself: menu items, the window, supervision logic. This is **NOT** auto-rebuilt. The installed `/Applications/Minsky Cockpit.app` is a static compiled bundle; merging a Rust change to `main` does nothing to it until you rebuild. This is the layer that bites: mt#2219 (the "Open Cockpit" menu item) was a tray-binary change, so it stayed invisible in the running menu bar until a rebuild.
 
 Decision: **cockpit-web change → no tray rebuild, just refresh. Tray-binary change → `bun run dev` (iterate) or build+reinstall (release).**

cockpit-tray/CLAUDE.md

@@ -8,7 +8,7 @@ For depth on this app — daemon lifecycle, status labels, auto-rebuild, testing
 
 "Why don't I see my change?" almost always means these two were confused:
 
-- **cockpit-web** (`src/cockpit/web/**`, `src/cockpit/server.ts`) — the running tray **auto-rebuilds the bundle (mt#2297) and auto-restarts the daemon (mt#2299)** on source change. No manual tray rebuild; just refresh the window.
+- **cockpit-web** (`src/cockpit/web/**`, `src/cockpit/server.ts`) — the running tray **auto-rebuilds the bundle (mt#2297) and auto-restarts the daemon (mt#2299)** on source change. The restart fires on any non-test module under `src/**` or `packages/*/src` (mt#4230, mt#5060), not just `src/cockpit`. No manual tray rebuild; just refresh the window.
 - **tray binary** (`cockpit-tray/src-tauri/**`) — the `.app` itself (menu, window, supervision). **NOT** auto-rebuilt; the installed app is a static bundle. A merged Rust change is invisible until rebuilt. mt#2219 was this layer.
 
 ## Dev loop (tray-binary changes)

cockpit-tray/README.md

@@ -184,18 +184,30 @@ keeps the daemon current:
 
 - **Startup staleness (adopted daemon).** When the tray adopts an already-running
   daemon, it reads that daemon's start time (`ps -o etime=`) and compares it against
-  the newest backend-source mtime under `src/cockpit/**` (excluding `web/**`,
-  `node_modules`, `.git`, `dist`, and `*.test.ts`). If source is newer — the daemon
-  predates the current code — the tray restarts it before reporting ready. This is
-  the originating 2026-06-04 case: an 8-day-old daemon that missed two merged
-  feature PRs. A daemon the tray spawns fresh is trivially current, so no check is
-  needed there.
+  the newest backend-source mtime across every watched root — `src/**` plus each
+  discovered `packages/*/src` (mt#4230, mt#5060) — excluding `web/**`,
+  `node_modules`, `.git`, `dist`, the fixture/mock/test directory family, and
+  `*.test.*` / `*.spec.*` files. If source is newer — the daemon predates the current
+  code — the tray restarts it before reporting ready. This is the originating
+  2026-06-04 case: an 8-day-old daemon that missed two merged feature PRs. A daemon
+  the tray spawns fresh is trivially current, so no check is needed there.
 - **Runtime watcher.** While the daemon runs, a debounced (~2s — larger than the
-  web rebuild's 500ms, since a restart is more disruptive) filesystem watcher on
-  `src/cockpit/**` restarts the daemon on any relevant backend `.ts` change. `web/**`
-  is excluded (the mt#2297 rebuild path owns it), so a frontend edit rebuilds the
-  bundle without bouncing the daemon, and a backend edit restarts the daemon without
-  a build.
+  web rebuild's 500ms, since a restart is more disruptive) filesystem watcher on the
+  same roots restarts the daemon on any relevant backend module change
+  (`.ts`/`.mts`/`.cts`/`.json`). `web/**` is excluded (the mt#2297 rebuild path owns
+  it), so a frontend edit rebuilds the bundle without bouncing the daemon, and a
+  backend edit restarts the daemon without a build.
+- **Why the roots are trees, not a list (mt#4230, mt#5060).** The daemon is
+  `bun run src/cli.ts`, so its import closure is `src/**` plus `packages/**`. The
+  watcher started as `src/cockpit` only; mt#4230 added `packages/*/src` by
+  discovery, and mt#5060 widened the `src/` side to the whole tree after measuring
+  that 322 of the daemon's 465 `src/` closure files — `src/adapters`, `src/mcp`,
+  `src/generated`, … — were unwatched, and that the `.ts`-only module class dropped
+  the two generated `.json` imports even where they were watched. A tree root is a
+  superset of the closure by construction and cannot drift as new subdirectories
+  appear; the cost is a spurious restart on an edit to a `src/` module the daemon
+  never loads, which the debounce absorbs and which is far cheaper than serving
+  stale code with nothing to notice.
 - **Source-presence gate.** Like the rebuild path, all of the above is gated on a
   source checkout; a packaged / no-source install skips it.
 - **"Daemon uptime" line.** The tray menu shows how long the daemon has run plus the

cockpit-tray/src-tauri/src/supervisor.rs

@@ -1559,9 +1559,10 @@ fn run_supervisor(
         let _web_watcher = cockpit_source_root(&path)
             .and_then(|root| start_web_watcher(&app, &cockpit_web_src(&root)));
         // mt#2299: runtime backend-source watcher. Sibling of `_web_watcher`;
-        // dispatches `Restart` (not `Rebuild`) on a backend `.ts`/`.mts`/`.cts`
-        // change. `web/**` is excluded so a frontend edit never restarts the
-        // daemon. Gated on `cockpit_backend_root` (BACKEND source presence), NOT
+        // dispatches `Restart` (not `Rebuild`) on a backend module change
+        // (`.ts`/`.mts`/`.cts`/`.json`) anywhere under `src/` or `packages/*/src`
+        // (mt#4230, mt#5060). `web/**` is excluded so a frontend edit never
+        // restarts the daemon. Gated on `cockpit_backend_root` (BACKEND source presence), NOT
         // `cockpit_source_root` (web presence) — reviewer R1 B1: the web gate
         // made the whole feature silently no-op when `web/` was absent.
         //