Y Summary Codex

y-summary-codex

Purpose

Build the summarization pipeline that reads Codex session .jsonl logs and emits validated SummaryRoot JSON, then attaches the final summary as a git note in namespace y-codex-session-summary.

Inputs

• Session log path (absolute or relative to ~/.codex/sessions).
• Output directory for summary.json.

Non-negotiable Guardrails

• YOU must NOT summarize your own progress creating the summary of the work you are reviewing.
• YOU must only summarize the work performed in the session being reviewed.

Required Workflow

Follow these steps in order and keep outputs deterministic.

1. Parse session JSONL

• Read line-delimited JSON.
• Normalize core event model: timestamp, type, actor/source, payload, call id, line index.
• Preserve order using (timestamp, line_index).

2. Build evidence map first

• Create deterministic evidence IDs from (timestamp, event_type, snippet, line_index).
• Store evidence tuples with: timestamp, event, snippet, source.
• Do not use assistant reasoning as sole evidence for facts.

3. Extract all 11 sections

• Implement extractors using the methods in references/section-methods.md.
• Preserve fact vs inference (set basis accordingly).
• Every evidence-backed claim must include evidence_refs.
• If data is missing, emit empty structures (not omitted) with low-confidence claims only when explicitly allowed.

4. Assemble SummaryRoot

• Set schema_version to y-schema::CURRENT_SCHEMA_VERSION.
• Populate all sections (never omit required sections).
• Link evidence by ID only.

5. Validate before writing outputs

• Use y-schema::parse_summary or validate_summary and fail with actionable errors (JSON path + reason).
• Prefer validate_summary for multi-error reporting.
• Always run the CLI validator y validate summary against the final JSON before writing the git note.
• If CLI validation fails, stop and surface the error paths; do not write outputs or notes.
• Keep library validation too; CLI validation is the required final gate.

6. Write summary.json

• Write summary.json from SummaryRoot only.
• Do not emit human-readable outputs unless explicitly requested by the user.

7. Attach git note

• Write the final summary JSON or a compact pointer (see references/output-contract.md) as a git note under namespace y-codex-session-summary.
• Use existing git helper in /Users/ramos/yapp/y/src/git.rs if applicable.

Determinism Rules

• Sort lists by first evidence timestamp, then stable tie-breaker (line index or path).
• Hash-based IDs must be reproducible from content, not random.
• Avoid nondeterministic iteration over hash maps.

When to read extra references

• Use references/section-methods.md for extraction heuristics and section-specific rules.
• Use references/output-contract.md for output formatting and inbox summary structure.
• Use /Users/ramos/yapp/y-skills/y-search-codex/SKILL.md if you need to locate or search sessions.

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