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SuperBizAgent-java/openspec/specs/single-react-evidence-semantic-guards/spec.md
T
zhuyongxin 38f781b157 feat(harness): complete protocol repair stop and archive ISS-016
Add repairable INVALID_PROGRESS_PROTOCOL observations, independent
PROGRESS_PROTOCOL_VIOLATED saturation, and controlled release paths.
Archive the OpenSpec change after syncing main specs and devflow.
2026-07-27 19:10:07 +08:00

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# single-react-evidence-semantic-guards Specification
## Purpose
TBD - created by archiving change single-react-evidence-semantic-guards. Update Purpose after archive.
## Requirements
### Requirement: Deterministic Draft and evidence validation
For a Draft with a non-null Conclusion, the Harness SHALL deterministically reject it unless every Analysis has a unique non-blank Analysis ID, a supported kind, non-blank text, and at least one Tool Call ID, and every Conclusion, Action Plan item, and Recommendation has non-empty references to existing Analysis IDs. For a Draft with `conclusion=null`, Release SHALL NOT require normal conclusion structure or invoke EvidenceRepair; any supplied Tool references SHALL still resolve to current-Run READY canonical invocations and SHALL obey positive/negative evidence semantics.
#### Scenario: Duplicate or missing Analysis ID in concluded Draft
- **WHEN** a Draft with a Conclusion contains a blank or duplicate Analysis ID
- **THEN** EvidenceGuard returns violations and SemanticGuard is not invoked
#### Scenario: Broken report reference in concluded Draft
- **WHEN** a Conclusion, Action Plan item, or Recommendation has an empty or unknown Analysis reference
- **THEN** EvidenceGuard rejects the Draft before semantic review
#### Scenario: No-conclusion Draft has valid negative observation
- **WHEN** a `conclusion=null` Draft cites a current-Run READY `NO_EVIDENCE` call as `NEGATIVE_OBSERVATION`
- **THEN** Release accepts the reference authenticity without running EvidenceRepair or SemanticGuard
#### Scenario: No-conclusion Draft fabricates a Tool reference
- **WHEN** a `conclusion=null` Draft cites a missing, cross-Run, incomplete or ERROR Tool call
- **THEN** the reference is excluded and cannot be published as an observed fact
### Requirement: Current Run canonical invocation ownership
EvidenceGuard SHALL resolve each referenced Tool Call through `runId + toolCallId` and SHALL accept only an invocation owned by the current Run with lifecycle `READY`, a non-empty `agent_result`, and evidence status `EVIDENCE_FOUND` or `NO_EVIDENCE`.
#### Scenario: Fabricated or cross-Run Tool Call
- **WHEN** a Draft references a missing Tool Call or the resolved record belongs to another Run
- **THEN** EvidenceGuard rejects the reference and does not expose any record content to SemanticGuard
#### Scenario: Failed or incomplete invocation
- **WHEN** a referenced invocation is `PROJECTING`, `ERROR`, lacks `agent_result`, or has `evidence_status=ERROR`
- **THEN** EvidenceGuard rejects the Draft
### Requirement: Analysis kind matches evidence semantics
EvidenceGuard SHALL permit `NORMAL` Analysis only with `EVIDENCE_FOUND` calls and SHALL permit `NEGATIVE_OBSERVATION` Analysis only with `NO_EVIDENCE` calls.
#### Scenario: Valid negative observation
- **WHEN** a `NEGATIVE_OBSERVATION` references a READY `NO_EVIDENCE` projection with its query scope and zero-match data
- **THEN** EvidenceGuard accepts the binding without interpreting it as proof of system health or root-cause exclusion
#### Scenario: Positive claim uses no-evidence result
- **WHEN** a `NORMAL` Analysis references a `NO_EVIDENCE` invocation
- **THEN** EvidenceGuard rejects the binding
### Requirement: Verified evidence snapshot is minimal and deterministic
The Harness SHALL strictly parse only supported Tool projections and SHALL construct evidence grouped by Analysis ID from referenced `agent_result` and required bounded request scope. The snapshot MUST NOT contain Tool Call IDs, Redis keys, raw responses, or unreferenced invocations.
#### Scenario: Supported RAG, log, and MySQL projections
- **WHEN** a Draft references valid RAG, log, or MySQL calls
- **THEN** the snapshot contains the corresponding stable source, scope, timestamp, exact excerpt or bounded values grouped under the referencing Analysis
#### Scenario: Projection contract mismatch
- **WHEN** a projection has an unknown Tool name, invalid JSON, mismatched Tool Call ID, or evidence status inconsistent with its canonical record
- **THEN** EvidenceGuard fails closed
### Requirement: Evidence repair is single-turn and semantics-preserving
On the first EvidenceGuard failure, the Harness SHALL allow exactly one direct no-Tool model call to repair identifier and reference structure. It MUST NOT rerun the Diagnosis Agent or any Tool, and MUST reject a repair that changes user-visible report semantics.
#### Scenario: Structural repair succeeds
- **WHEN** the one repair attempt changes only IDs/references and the repaired Draft passes EvidenceGuard
- **THEN** the repaired Draft proceeds to SemanticGuard
#### Scenario: Repair changes report text
- **WHEN** the repair changes Conclusion, Analysis, Action Plan, Recommendation, Limitation text, kind, order, or human-confirmation flag
- **THEN** the Harness returns `EVIDENCE_VALIDATION_FAILED`
#### Scenario: Second validation fails
- **WHEN** the repaired Draft still fails EvidenceGuard
- **THEN** the Harness returns `EVIDENCE_VALIDATION_FAILED` with empty verified sources and does not invoke SemanticGuard
### Requirement: Isolated single-turn SemanticGuard
SemanticGuard SHALL reuse the system ChatModel through a fresh single-turn Prompt containing only the original Query, the complete user-visible Draft without Tool Call IDs, and the verified evidence snapshot. It MUST have no Tool, memory, ReAct loop, Redis access, raw response, or callback to the Diagnosis Agent.
#### Scenario: Semantic input isolation
- **WHEN** a verified Draft enters SemanticGuard
- **THEN** the model sees the original Query, all report sections and verified evidence, but no Tool Call ID, Redis key, raw response, diagnosis history, or Tool definition
#### Scenario: Binary review output
- **WHEN** SemanticGuard completes normally
- **THEN** it returns only `SUPPORTED` or `UNSUPPORTED` with a non-blank audit reason and cannot return a corrected report
### Requirement: Semantic model budgets timeout cancellation and retry
The Harness SHALL enforce input/output byte limits, Run byte/model/token budgets, per-attempt timeout, total SemanticGuard timeout, Run cancellation, strict JSON parsing, and the configured two-attempt technical retry policy. It SHALL retry only timeout, transport, parse, or schema failures and SHALL use the exact same input for both attempts.
#### Scenario: Technical failure then success
- **WHEN** the first SemanticGuard attempt times out or returns invalid output and the second attempt returns a valid verdict
- **THEN** exactly two model attempts are recorded and the second verdict controls release
#### Scenario: Unsupported is not retried
- **WHEN** SemanticGuard returns valid `UNSUPPORTED`
- **THEN** the Harness records one attempt and immediately applies the unsupported fallback
#### Scenario: Run cancellation during model call
- **WHEN** the Run is cancelled while a guard model call is pending
- **THEN** the Future is cancelled, no late model result is released, and cancellation is not converted into a normal Fallback
### Requirement: Fail-closed release policy
The release use case SHALL publish the unchanged verified Draft only when a non-null Conclusion passes EvidenceGuard and SemanticGuard returns `SUPPORTED`. It SHALL publish fixed `SafeFallback` content for evidence failure, semantic unsupported, final semantic technical failure, a valid no-conclusion Draft, information saturation, or handled budget termination. No-conclusion and controlled-stop release SHALL be deterministic from verified references and ProgressSnapshot and MUST NOT invoke a repair or semantic model call. A fallback result MUST NOT include an unsupported Draft, full verified snapshot, internal stop counters, or SemanticGuard reason.
#### Scenario: Supported report release
- **WHEN** EvidenceGuard succeeds for a concluded Draft and SemanticGuard returns `SUPPORTED`
- **THEN** release outcome is `SUCCESS` and the same verified Draft semantics are returned without summarization or partial editing
#### Scenario: Unsupported report fallback
- **WHEN** SemanticGuard returns `UNSUPPORTED`
- **THEN** release outcome is `FALLBACK`, type is `SEMANTIC_UNSUPPORTED`, and verified sources are derived only from the snapshot
#### Scenario: Semantic review remains unavailable
- **WHEN** all permitted technical attempts fail
- **THEN** release outcome is `FALLBACK`, type is `SEMANTIC_UNAVAILABLE`, and no Draft or internal failure reason is exposed
#### Scenario: Evidence validation fallback sources
- **WHEN** evidence repair fails or the second EvidenceGuard rejects a concluded Draft
- **THEN** release outcome is `FALLBACK`, type is `EVIDENCE_VALIDATION_FAILED`, and `verified_sources` is empty
#### Scenario: Missing context ends without Tool calls
- **WHEN** a valid no-conclusion Draft has no Tool calls and identifies required missing context
- **THEN** release outcome is `FALLBACK`, type is `MISSING_REQUIRED_CONTEXT`, and no guard model call occurs
#### Scenario: Finite checks do not support a conclusion
- **WHEN** a no-conclusion Draft or controlled stop has a non-empty verified ProgressSnapshot
- **THEN** release outcome is `FALLBACK`, type is `INSUFFICIENT_EVIDENCE`, and observed facts describe only actual completed checks
#### Scenario: Invalid Draft has publishable progress
- **WHEN** the Agent's final Draft is rejected by strict parsing but its bounded ProgressSnapshot contains current-Run verified observed facts
- **THEN** Release publishes `FALLBACK` with type `INSUFFICIENT_EVIDENCE` using only that snapshot and MUST NOT use any content from the invalid Draft
### Requirement: Stage-five public isolation
The stage-five implementation SHALL remain internal and MUST NOT switch public Chat, AiOps, SSE, persistence, or legacy multi-Agent behavior.
#### Scenario: Focused implementation scope
- **WHEN** stage-five changes are inspected
- **THEN** only internal guard/release code, prompts, tests, OpenSpec and devflow artifacts have changed