feat: ship v0.6.0 with cockpit, knowledge base, and chapter bridge

Deliver P5 writer workflow: writing cockpit, manual knowledge CRUD with review, chapter bridge with optional AI, publish status, and stock buffer reminders.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/main/db/repositories/bridge-dismiss.repo.ts

@@ -0,0 +1,21 @@
+import type { SqliteDb } from '../types'
+
+export class BridgeDismissRepository {
+  constructor(private db: SqliteDb) {}
+
+  isDismissed(chapterId: string): boolean {
+    const row = this.db
+      .prepare('SELECT chapter_id FROM chapter_bridge_dismiss WHERE chapter_id = ?')
+      .get(chapterId)
+    return Boolean(row)
+  }
+
+  dismiss(chapterId: string): void {
+    this.db
+      .prepare(
+        `INSERT INTO chapter_bridge_dismiss (chapter_id) VALUES (?)
+         ON CONFLICT(chapter_id) DO UPDATE SET dismissed_at = datetime('now')`
+      )
+      .run(chapterId)
+  }
+}