docs: 文档重构 — 清理 AI agent 残留，整合 docs/ 目录结构

- 删除 11 个残留文件: continuation.md, init_plan.md, reasonix.toml, djapi/continuation.md, djapi/.serena/, djapi/.claude/, djapi/.mcp.json, .claude/skills/, docs/usage.html, docs/db_schema.md, docs/report_db_design.md
- 7 个 CLAUDE-*.md 移入 docs/ 并重命名去 CLAUDE- 前缀
- 新增 4 个文档: architecture.md, development.md, api.md, deployment.md
- 重写 usage.md, README.md
- 修复所有过时引用和交叉链接

docs/news_report_api.md

@@ -1,7 +1,7 @@
 # 日报查询 API 使用手册（news_report / news_event）
 
 > 版本：v1.1 | 2026-08-03（已部署至生产 `api.doorcome.cn`）
-> 数据表定义见 `djapi/docs/db_schema.md`，数据生产侧设计见 `djapi/docs/report_db_design.md`。
+> 数据表定义见 [db_schema_v1.1.md](db_schema_v1.1.md)。
 > 本文档为前端/调用方对接手册：两个只读查询接口的线上地址、参数、curl 用法与返回结构。
 
 ---
@@ -61,11 +61,22 @@ Swagger 交互式文档（自动生成，含全部参数说明）：`https://api
     "generated_at": "2026-08-03T07:00:00",
     "ai_summary": "……（AI 摘要全文，按条目分行）",
     "stats": {
-      "pipeline": { "M1": 210, "M2": 205, "M3": 198, "M4": 190, "M5": 188, "M6": 180 },
-      "sources": { "cls": 95, "eastmoney": 60, "other": 25 },
-      "news": { "total": 180, "hi_threshold": 18, "sentiments": {...}, "importances": [...], "event_types": [...] },
-      "cninfo": { "total": 58, "hi_threshold": 4, "by_day": {...}, "announcement": 40, "research": 15, "irm": 3 },
-      "xwlb": { "total": 28, "date": "2026-08-03" }
+      "pipeline": {
+        "raw_total": 116,
+        "raw_total_24h": 116,
+        "raw_by_source": { "经济观察网": 31, "新浪财经": 27, "证券时报": 28, "财联社": 15, "东方财富": 7, "中证券网": 2, "第一财经": 3, "中国证券网": 3 },
+        "raw_by_source_24h": { ... },
+        "proc": ..., "deduped": ..., "dups": ..., "emb_count": ..., "qdrant_count": ..., "cninfo_raw": ...
+      },
+      "news": {
+        "total": 643,
+        "hi_threshold": 4,
+        "sentiments": { "neutral": 470, "positive": 123, "negative": 50 },
+        "importances": { "1": 115, "2": 275, "3": 185, "4": 48, "5": 20 },
+        "event_types": { "其他": 287, "国际局势": 107, "宏观政策": 62, "行业政策": 49, "财报披露": 29 }
+      },
+      "cninfo": { "total": 48, "hi_threshold": 2, "by_day": { "2026-08-06": 8, "2026-08-01": 9 }, "announcement": 47, "research": 1, "irm": 0 },
+      "xwlb": { "total": 21, "date": "08月05日" }
     },
     "created_at": "2026-08-03T07:01:00"
   },
@@ -77,18 +88,26 @@ Swagger 交互式文档（自动生成，含全部参数说明）：`https://api
     "generated_at": "2026-08-03T07:00:00",
     "ai_summary": "……",
     "stats": {
-      "pipeline": { "M1": 150, "M2": 145, "M3": 140, "M4": 135, "M5": 130, "M6": 125 },
-      "sentiment": [...],
-      "importance": [{ "重要度": 5, "数量": 3 }, { "重要度": 4, "数量": 12 }],
-      "event_types": [{ "事件类型": "地缘政治", "数量": 8 }],
-      "source_dist": [{ "来源": "investinglive.com", "文章数": 45 }]
+      "pipeline": { "raw_total": 442, "processed": 442, "deduped": 111, "embedded": 112, "qdrant": 2952 },
+      "importance": [
+        { "importance": 2, "count": 2 }, { "importance": 3, "count": 31 },
+        { "importance": 4, "count": 26 }, { "importance": 5, "count": 5 }
+      ],
+      "event_types": [
+        { "event_type": "宏观经济", "count": 15 }, { "event_type": "地缘政治", "count": 12 },
+        { "event_type": "财报披露", "count": 9 }, { "event_type": "央行决议", "count": 7 }
+      ],
+      "source_dist": [
+        { "source": "InvestingLive", "count": 30 }, { "source": "MarketWatch", "count": 3 },
+        { "source": "CNBC", "count": 3 }, { "source": "Yahoo Finance", "count": 1 }
+      ]
     },
     "created_at": "2026-08-03T07:01:00"
   }
 ]
 ```
 
-> `stats` 为 JSON 快照：finance 含 `pipeline/sources/news/cninfo/xwlb`，intl 含 `pipeline/sentiment/importance/event_types/source_dist`。前端按 key 防御性读取（见 db_schema.md §3）。
+> `stats` 为 JSON 快照（示例为 2026-08-06 真实数据）：finance 含 `pipeline/news/cninfo/xwlb`，intl 含 `pipeline/importance/event_types/source_dist`（另有 `sentiment`）。finance 与 intl 的 pipeline 内部 key 集**不同**（finance: `raw_total/raw_by_source/proc/dups/...`；intl: `raw_total/processed/deduped/embedded/qdrant`），前端按 key 防御性读取；各数字口径（`raw_total` ≠ `news.total` 等）见 `db_schema_v1.1.md` §3.1。
 
 **传 `id`** → 单份详情（对象），增加 `events` 数组（按 `section, rank` 排序）。真实返回（id=182，58 条事件）：
 
@@ -179,12 +198,15 @@ curl 'https://api.doorcome.cn/api/news/reports/?id=182'
     "title": "特朗普称已取消对伊朗的袭击计划，因双方就协议框架达成一致",
     "summary": "……",
     "sentiment": "neutral",
-    "source": "investinglive.com",
+    "source": "InvestingLive",
+    "sources": ["InvestingLive"],
     "url": "https://www.investing.com/..."
   }
 ]
 ```
 
+> `sources` 为该新闻的**全部来源**（JSON 数组，字符串列表）；`source` 为主来源（单值）。多源事件（如同一新闻被多家媒体转载）时 `sources` 含多个元素；历史事件可能为 `null`。
+
 ### curl 示例
 
 ```bash