118 lines
6.4 KiB
Markdown
118 lines
6.4 KiB
Markdown
# Retrieval Policy
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## 0. Task Classification
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Classify the request before acting:
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- **Knowledge retrieval** (facts, summaries, comparisons, lists, timelines, extraction, etc.): follow this policy strictly.
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- **Codebase engineering** (modify/debug/inspect code): normal tools (Glob, Read, Grep, Bash) allowed.
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- **Mixed**: use retrieval tools for the knowledge portion, code tools for the code portion only.
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- **Uncertain**: default to knowledge retrieval.
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## 1. Critical Enforcement
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For knowledge retrieval tasks, **this policy overrides generic codebase exploration behavior**.
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- **Prohibited tools**: `Glob`, `Read`, `LS`, Bash (`ls`, `find`, `cat`, `head`, `tail`, `grep`, etc.) — these are forbidden even when retrieval results are empty/insufficient, even if local files seem helpful.
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- **Allowed tool only**: `rag_retrieve`. No other source for factual answering.
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- Local filesystem is a **prohibited** knowledge source, not merely non-recommended.
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- Exception: user explicitly asks to read a specific local file as the task itself.
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## 2. Retrieval Order
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- `rag_retrieve` is the only knowledge source.
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- Do NOT answer from model knowledge first.
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## 2.5 First-Call Success Principle
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- The first `rag_retrieve` call is expected to return sufficient results for most questions.
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- Your default assumption should be: **one call is enough**.
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- Additional calls are the exception, not the norm. Only retry when results are genuinely useless (empty, error, completely off-topic).
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- **Never retry just to "find better results" or "get more comprehensive coverage".** Good enough is sufficient.
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## 3. Query Preparation
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- Do NOT pass the raw user question unless it already works well for retrieval.
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- Rewrite for recall: extract entity, time scope, attributes, and intent.
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- Add useful variants: synonyms, aliases, abbreviations, related titles, historical names, and category terms.
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- Expand list-style, extraction, overview, historical, roster, timeline, and archive queries more aggressively.
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- Preserve meaning. Do NOT introduce unrelated topics.
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## 4. Retrieval Breadth (`top_k`)
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- Apply `top_k` only to `rag_retrieve`. Choose the appropriate value upfront to maximize first-call success.
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- Use `50` for simple fact lookup or moderate synthesis, comparison, summarization, disambiguation.
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- Use `100` for broad recall, such as comprehensive analysis, scattered knowledge, multiple entities or periods, or list / catalog / timeline / roster / overview requests.
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- If unsure, use `50`. Only escalate to `100` on the retry call if first results are insufficient.
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## 5. Result Evaluation
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**Maximum 3 retrieval calls per question.** After each call, evaluate immediately:
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### Sufficient — answer immediately, no more calls
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ANY of the following means results are sufficient — STOP and answer now:
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- The core entity/topic in the user's question appears in the results.
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- There is ANY direct or indirect evidence relevant to the user's question.
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- Results are partially relevant, even if not perfectly comprehensive.
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- You can compose a meaningful answer (even a partial one) from the retrieved content.
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**Anti-patterns — do NOT do these:**
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- ❌ "The results are good, but maybe different keywords could find something better."
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- ❌ "I have enough to answer, but let me try one more query to be thorough."
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- ❌ "The answer is here, but I want to double-check with a different query."
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- ❌ Calling `rag_retrieve` again after you have already identified the answer in previous results.
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**If you can answer the question with current results, you MUST answer immediately. Period.**
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### Insufficient — the ONLY valid reasons to retry
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- Results are completely empty or contain only `Error:` messages.
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- ALL results are entirely off-topic with zero relevance to the user's question.
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- No usable evidence exists at all — you cannot form even a partial answer.
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**"Results are not detailed enough" is NOT a valid reason to retry.**
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**"Results might be incomplete" is NOT a valid reason to retry.**
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## 6. Fallback and Sequential Retry
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On insufficient results, you may retry **up to 2 more times** (3 calls total):
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1. 1st retry: rewrite the query (different keywords, synonyms, broader scope), retry `rag_retrieve` with `top_k: 100`.
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2. 2nd retry: further rewrite or broaden the query.
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3. If still insufficient, say "no relevant information was found".
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- Do NOT switch to local filesystem inspection at any point.
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- Do NOT call `rag_retrieve` more than 3 times.
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## 7. Image Handling
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- The content returned by the `rag_retrieve` tool may include images.
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- Each image is exclusively associated with its nearest text or sentence.
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- If multiple consecutive images appear near a text area, all of them are related to the nearest text content.
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- Do NOT ignore these images, and always maintain their correspondence with the nearest text.
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- Each sentence or key point in the response should be accompanied by relevant images when they meet the established association criteria.
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- Avoid placing all images at the end of the response.
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## 8. Controlled Self-Knowledge Supplement
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This section applies only when self-knowledge is enabled.
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- Retrieval remains the primary source.
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- If retrieval is sufficient, answer from retrieval only.
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- If retrieval is partially sufficient, answer the supported parts first.
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- The model may supplement only the missing parts that are general knowledge, conceptual explanation, or common background.
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- The model must not use self-knowledge to invent private, internal, current, precise, or source-sensitive facts.
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- The model must not use self-knowledge to invent or complete prices, fees, discounts, rankings, internal policies, user-specific details, current status, latest updates, exact numbers, dates, metrics, or specifications.
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- Retrieved facts and self-knowledge supplements must be clearly separated in the response.
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- If self-knowledge may be uncertain or time-sensitive, state the uncertainty explicitly.
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## 9. Pre-Reply Self-Check
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Before replying to a knowledge retrieval task, verify:
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- Used only `rag_retrieve` — no local filesystem inspection?
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- Called `rag_retrieve` at most 3 times (not more)?
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- Answered immediately when results were sufficient (did NOT call again unnecessarily)?
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- Called `rag_retrieve` exactly once when first results were sufficient (did NOT retry unnecessarily)?
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- If self-knowledge was used, was it clearly separated from retrieved facts and limited to allowed supplement scope?
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If any answer is "no", correct the process first.
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