feat: ship v0.7.0 with AI knowledge context integration

Add semi-automatic knowledge suggestions and user-confirmed injection across chat, interactive, auto, and wizard modes; fix writing flows to persist full systemPrompt in contextJson.

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

tests/main/interactive-scene.test.ts

@@ -18,11 +18,17 @@ describe('interactive scene integration', () => {
     const session = new AiSessionRepository(db).create('t', DEFAULT_AI_CONFIG.model)
     const svc = service(db)
     const flow = svc.start(session.id)
-    svc.confirmContext(
-      flow.id,
-      { chapterIds: [], outlineIds: [], settingIds: [], inspirationIds: [] },
-      '林远在演武场测试灵根，众人围观。'
-    )
+    svc.confirmContext(flow.id, {
+      binding: {
+        chapterIds: [],
+        outlineIds: [],
+        settingIds: [],
+        inspirationIds: [],
+        knowledgeIds: []
+      },
+      systemPrompt: '林远在演武场测试灵根，众人围观。',
+      contextSummary: '0章·0纲·0设·0感·0知'
+    })
     const plots = await svc.suggestPlots(flow.id)
     svc.selectPlot(flow.id, { optionIds: [plots[0].id] })
     const afterGen = await svc.generateScene(flow.id, () => {})