feat(blog): جدول — ستونها قابل تغییر اندازه/افزودن و حذف؛ لینک کپشن تصویر؛ هدینگهای نسخه انگلیسی بزرگتر
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@@ -66,6 +66,22 @@ def ensure_schema() -> None:
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ON chatbot_chunks USING hnsw (embedding vector_cosine_ops)
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"""
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)
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# گزارش گفتگوها — حلقه بازخورد برای کشف پرسشهای بیپاسخ
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conn.execute(
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"""
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CREATE TABLE IF NOT EXISTS chat_logs (
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id BIGSERIAL PRIMARY KEY,
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ts TIMESTAMPTZ NOT NULL DEFAULT now(),
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thread_id TEXT NOT NULL,
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question TEXT NOT NULL,
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answer TEXT NOT NULL,
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n_docs INTEGER NOT NULL DEFAULT 0,
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is_fallback BOOLEAN NOT NULL DEFAULT FALSE,
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latency_ms INTEGER NOT NULL DEFAULT 0
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)
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"""
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)
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conn.execute("CREATE INDEX IF NOT EXISTS chat_logs_ts_idx ON chat_logs (ts DESC)")
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def sync_chunks(chunks: list[dict], force: bool = False) -> dict:
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@@ -168,6 +184,61 @@ def vector_count() -> int:
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return 0
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def log_chat(thread_id: str, question: str, answer: str, n_docs: int,
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is_fallback: bool, latency_ms: int) -> None:
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"""ثبت یک گفتگو در chat_logs — هرگز خطا نمیدهد (لاگ نباید جریان پاسخ را بشکند)."""
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try:
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import psycopg
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with psycopg.connect(chatbot_dsn(), autocommit=True, connect_timeout=5) as conn:
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conn.execute(
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"""
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INSERT INTO chat_logs (thread_id, question, answer, n_docs, is_fallback, latency_ms)
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VALUES (%s, %s, %s, %s, %s, %s)
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""",
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(thread_id, question, answer[:4000], n_docs, is_fallback, latency_ms),
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)
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except Exception as e:
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log.warning("chat_logs insert failed: %s", e)
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def chat_stats(days: int = 7) -> dict:
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"""آمار تجمعی گفتگوها — بدون متن پرسشها (متنها فقط با توکن در /chat/stats)."""
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try:
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import psycopg
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with psycopg.connect(chatbot_dsn(), autocommit=True, connect_timeout=5) as conn:
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total = int(conn.execute("SELECT count(*) FROM chat_logs").fetchone()[0])
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row = conn.execute(
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"""
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SELECT count(*), count(*) FILTER (WHERE is_fallback)
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FROM chat_logs WHERE ts > now() - (%s || ' days')::interval
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""",
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(str(days),),
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).fetchone()
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recent_fallbacks: list[str] = []
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if row and row[1]:
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recent_fallbacks = [
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r[0] for r in conn.execute(
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"""
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SELECT question FROM chat_logs
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WHERE is_fallback AND ts > now() - (%s || ' days')::interval
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ORDER BY ts DESC LIMIT 20
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""",
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(str(days),),
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).fetchall()
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]
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return {
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"total_logged": total,
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"last_7d": int(row[0]) if row else 0,
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"fallback_7d": int(row[1]) if row else 0,
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"recent_fallback_questions": recent_fallbacks,
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}
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except Exception as e:
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log.warning("chat_stats failed: %s", e)
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return {"total_logged": 0, "last_7d": 0, "fallback_7d": 0, "recent_fallback_questions": []}
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def dense_search(query: str, top_k: int) -> list[tuple[dict, float]]:
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"""جستوجوی معنایی SQL با فاصله کسینوسی — خروجی: (سند، شباهت).
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