fix(ui): make chapter bridge manual-only and add release gate

Remove auto chapter-bridge prompt on book/chapter open so users trigger it from the cockpit. Fix AiPanel duplicate import that broke dev builds, and add release smoke tests plus test:release/test:ci scripts.

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

tests/release/build-artifacts.test.ts

@@ -0,0 +1,18 @@
+import { existsSync } from 'fs'
+import { join } from 'path'
+import { describe, it, expect } from 'vitest'
+
+const ROOT = join(import.meta.dirname, '../..')
+
+const REQUIRED_ARTIFACTS = [
+  'out/main/index.js',
+  'out/preload/index.js',
+  'out/renderer/index.html'
+]
+
+describe('release gate: build artifacts', () => {
+  it('UT-RELEASE-02: production build outputs exist', () => {
+    const missing = REQUIRED_ARTIFACTS.filter((rel) => !existsSync(join(ROOT, rel)))
+    expect(missing, `Run npm run build first. Missing: ${missing.join(', ')}`).toEqual([])
+  })
+})

tests/release/import-hygiene.test.ts

@@ -0,0 +1,58 @@
+import { readFileSync, readdirSync, statSync } from 'fs'
+import { join } from 'path'
+import { describe, it, expect } from 'vitest'
+
+const ROOT = join(import.meta.dirname, '../..')
+
+function collectSourceFiles(dir: string, acc: string[] = []): string[] {
+  for (const name of readdirSync(dir)) {
+    const full = join(dir, name)
+    const st = statSync(full)
+    if (st.isDirectory()) {
+      if (name === 'node_modules' || name === 'out') continue
+      collectSourceFiles(full, acc)
+    } else if (/\.(ts|tsx)$/.test(name)) {
+      acc.push(full)
+    }
+  }
+  return acc
+}
+
+function extractNamedImports(content: string): { from: string; names: string[] }[] {
+  const results: { from: string; names: string[] }[] = []
+  const re = /import\s+(?:type\s+)?\{([^}]+)\}\s+from\s+['"]([^'"]+)['"]/g
+  let m: RegExpExecArray | null
+  while ((m = re.exec(content)) !== null) {
+    const names = m[1]
+      .split(',')
+      .map((part) => part.trim())
+      .filter(Boolean)
+      .map((part) => part.split(/\s+as\s+/)[0]!.trim())
+    results.push({ from: m[2]!, names })
+  }
+  return results
+}
+
+describe('release gate: import hygiene', () => {
+  it('UT-RELEASE-01: no duplicate named imports from the same module', () => {
+    const files = collectSourceFiles(join(ROOT, 'src'))
+    const offenders: string[] = []
+
+    for (const file of files) {
+      const blocks = extractNamedImports(readFileSync(file, 'utf8'))
+      const seen = new Map<string, Set<string>>()
+      for (const { from, names } of blocks) {
+        if (!seen.has(from)) seen.set(from, new Set())
+        const bucket = seen.get(from)!
+        for (const name of names) {
+          if (bucket.has(name)) {
+            offenders.push(`${file}: duplicate import { ${name} } from '${from}'`)
+          }
+          bucket.add(name)
+        }
+      }
+    }
+
+    expect(offenders, offenders.join('\n')).toEqual([])
+  })
+})