feat: Claude Code Monitor — lanes, pipelines and a merged workspace

Internal SmartGift build of a Claude Code monitoring dashboard. Lanes: a durable unit of parallel agent work, one per working directory, tracked across session restarts. Managed lanes are git worktrees the dashboard provisions and can reset or remove behind a three-check destroy guard and a counted preflight; adopted lanes are directories you already own and are never destroyable. Pipelines: a lane moves through pipeline stages. A stage the agent declares with evidence renders green; a stage inferred from the tool-event stream renders dashed amber and never counts as done. Detection is forward-only within a 30-minute window, and never writes the declared stage. Workspace: one page at /run with a lane grid, the selected lane's pipeline, and a full Claude console behind a disclosure.
2026-07-29 17:07:45 +07:00
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+/**
+ * @file dataScope.ts
+ * @description Global "data scope" store — which source machines' data the whole
+ * dashboard should show. Backs the Remote Data Sources feature: the user picks
+ * Local only / All / a specific subset, and every scoped page reflects it
+ * immediately.
+ *
+ * This is a tiny module-level singleton (one per tab), mirroring the eventBus
+ * pattern. `api.ts` reads {@link activeSourcesParam} to append `?sources=...` to
+ * the scoped GET endpoints; React components read {@link useDataScope} (via
+ * `useSyncExternalStore`) to render the selector and to re-fetch when the scope
+ * changes. The choice is persisted to localStorage so it survives reloads.
+ *
+ * Scope semantics:
+ *   - `all`      → no `sources` param (server returns every machine's data)
+ *   - `local`    → `sources=local` (only this machine)
+ *   - `selected` → `sources=<comma-separated ids>` (an empty selection falls
+ *                  back to `local` so the UI never shows a confusing empty app)
+ *
+ * @author Nguyễn Ngọc Trí Vĩ <vinnt@smartgift.vn>
+ */
+/* =============================================================================
+ * MODULE_GUIDE — extended in-file reference (comments only; safe to read, never executed)
+ * =============================================================================
+ * **Purpose:** Dashboard module consumed by the React client, MCP tools, or desktop shell depending on deployment mode.
+ *
+ * ## Design constraints
+ * - Local-first: no telemetry leaves the machine unless the user configures webhooks.
+ * - Fail-safe hooks path on the server must never block Claude Code; UI mirrors that
+ *   philosophy by degrading gracefully (empty states, stale badges, reconnect loops).
+ * - Destructive flows stay behind explicit confirmation modals and server-side gates.
+ * - Internationalization: user-visible strings belong in i18n JSON, not literals here.
+ *
+ * ## Remote data & SSH
+ * Remote Data Sources let operators aggregate multiple machines. SSH entries describe
+ * how to reach a peer dashboard; the global data scope (`dataScope.ts`) narrows every
+ * scoped GET via `?sources=`. Health checks and import history surface in Settings.
+ *
+ * ## Observability
+ * Prometheus scrapes `GET /api/metrics` (see `monitoring/`). Grafana ships four
+ * provisioned boards (overview, sessions, tools, alerts). Native npm scripts and
+ * Docker Compose profiles are documented in `monitoring/README.md`.
+ *
+ * ## Public surface
+ * - `ScopeMode` — exported API; see TSDoc on the symbol for behavior.
+ * - `DataScope` — exported API; see TSDoc on the symbol for behavior.
+ * - `getScope` — exported API; see TSDoc on the symbol for behavior.
+ * - `setScope` — exported API; see TSDoc on the symbol for behavior.
+ * - `subscribeScope` — exported API; see TSDoc on the symbol for behavior.
+ * - `activeSourcesParam` — exported API; see TSDoc on the symbol for behavior.
+ * - `useDataScope` — exported API; see TSDoc on the symbol for behavior.
+ *
+ * ## Testing pointers
+ * - Prefer colocated `__tests__` with Vitest + Testing Library for UI.
+ * - Server contract changes require `npm run test:server` and OpenAPI sync.
+ * - MCP edits: `npm run mcp:typecheck` and `npm run mcp:build`.
+ *
+ * ## Related docs
+ * - `ARCHITECTURE.md` — hooks → API → SQLite → WebSocket → UI pipeline.
+ * - `docs/API.md` — REST reference.
+ * - `.claude/skills/file-headers/` — mandatory `@author` header policy.
+ * ============================================================================= */
+/* -----------------------------------------------------------------------------
+ * EXPORT CATALOG — quick index of symbols defined below (documentation only).
+ * -----------------------------------------------------------------------------
+ * **ScopeMode**
+ *   Part of this module's public contract. Downstream imports should treat
+ *   the signature and return type as stable unless release notes say otherwise.
+ *   When behavior changes, update the `@file` overview and relevant tests.
+ *
+ * **DataScope**
+ *   Part of this module's public contract. Downstream imports should treat
+ *   the signature and return type as stable unless release notes say otherwise.
+ *   When behavior changes, update the `@file` overview and relevant tests.
+ *
+ * **getScope**
+ *   Part of this module's public contract. Downstream imports should treat
+ *   the signature and return type as stable unless release notes say otherwise.
+ *   When behavior changes, update the `@file` overview and relevant tests.
+ *
+ * **setScope**
+ *   Part of this module's public contract. Downstream imports should treat
+ *   the signature and return type as stable unless release notes say otherwise.
+ *   When behavior changes, update the `@file` overview and relevant tests.
+ *
+ * **subscribeScope**
+ *   Part of this module's public contract. Downstream imports should treat
+ *   the signature and return type as stable unless release notes say otherwise.
+ *   When behavior changes, update the `@file` overview and relevant tests.
+ *
+ * **activeSourcesParam**
+ *   Part of this module's public contract. Downstream imports should treat
+ *   the signature and return type as stable unless release notes say otherwise.
+ *   When behavior changes, update the `@file` overview and relevant tests.
+ *
+ * **useDataScope**
+ *   Part of this module's public contract. Downstream imports should treat
+ *   the signature and return type as stable unless release notes say otherwise.
+ *   When behavior changes, update the `@file` overview and relevant tests.
+ *
+ * ----------------------------------------------------------------------------- */
+
+import { useSyncExternalStore } from "react";
+
+export type ScopeMode = "all" | "local" | "selected";
+
+export interface DataScope {
+  mode: ScopeMode;
+  /** Source ids selected when `mode === "selected"`. */
+  selected: string[];
+}
+
+const STORAGE_KEY = "ccam-data-scope";
+const DEFAULT_SCOPE: DataScope = { mode: "all", selected: [] };
+
+function load(): DataScope {
+  try {
+    const raw = localStorage.getItem(STORAGE_KEY);
+    if (!raw) return DEFAULT_SCOPE;
+    const parsed = JSON.parse(raw) as Partial<DataScope>;
+    const mode: ScopeMode =
+      parsed.mode === "local" || parsed.mode === "selected" || parsed.mode === "all"
+        ? parsed.mode
+        : "all";
+    const selected = Array.isArray(parsed.selected)
+      ? parsed.selected.filter((s): s is string => typeof s === "string")
+      : [];
+    return { mode, selected };
+  } catch {
+    return DEFAULT_SCOPE;
+  }
+}
+
+// The single source of truth for this tab. Replaced wholesale on every change so
+// useSyncExternalStore's getSnapshot returns a stable reference between changes.
+let current: DataScope = load();
+const listeners = new Set<() => void>();
+
+function persist(): void {
+  try {
+    localStorage.setItem(STORAGE_KEY, JSON.stringify(current));
+  } catch {
+    /* storage disabled — in-memory scope still works for this session */
+  }
+}
+
+/** Current scope (stable reference until the next {@link setScope}). */
+export function getScope(): DataScope {
+  return current;
+}
+
+/** Replace the scope, persist it, and notify all subscribers. */
+export function setScope(next: DataScope): void {
+  current = { mode: next.mode, selected: [...next.selected] };
+  persist();
+  listeners.forEach((l) => l());
+}
+
+/** Subscribe to scope changes (for useSyncExternalStore / manual wiring). */
+export function subscribeScope(cb: () => void): () => void {
+  listeners.add(cb);
+  return () => listeners.delete(cb);
+}
+
+/**
+ * The `sources` query-param value for the current scope, or `null` when no
+ * filter should be sent (mode "all"). `api.ts` calls this for every scoped
+ * endpoint so a scope change transparently narrows all data.
+ */
+export function activeSourcesParam(): string | null {
+  if (current.mode === "all") return null;
+  if (current.mode === "local") return "local";
+  // "selected": empty selection degrades to local-only rather than showing
+  // nothing, which would look like a broken/empty dashboard.
+  return current.selected.length > 0 ? current.selected.join(",") : "local";
+}
+
+/**
+ * React binding: returns `[scope, setScope]`. Components include `scope` in
+ * their data-loading effect deps so a change re-fetches; the selector calls the
+ * setter. `getScope` is a stable snapshot getter (server snapshot is the same,
+ * so SSR/first paint is consistent).
+ */
+export function useDataScope(): [DataScope, (next: DataScope) => void] {
+  const scope = useSyncExternalStore(subscribeScope, getScope, getScope);
+  return [scope, setScope];
+}