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feat(voyage): add lib/exporters/textfile-format.mjs — Prometheus text-format pure transform SC #12

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Step 9 av v4.1-execute (Wave 2, Session 3).

Pure function transformToPrometheus(records) → Prometheus text-format 0.0.4.

Hard rules:
- NO client-side timestamps (research/01 node_exporter#1284 mitigation)
- Allowlist-redacted records ONLY (caller responsibility — Step 11 enforces)
- UTF-8 metric names normalized: lowercase, [.\\-\\s] → _, voyage_ prefix
- Empty input → empty string output
- Sorted output for determinism (snapshot-test-friendly)

Heuristic metric typing:
- counter: *_total, *_count, *_passed, *_failed, *_skipped
- histogram: *_ms, *_duration, *_p\\d+, *_seconds
- gauge: everything else (Prometheus convention)

Snapshot: tests/fixtures/expected.prom byte-for-byte match.
Regenerate: node scripts/gen-expected-prom.mjs > tests/fixtures/expected.prom

Tester (6 nye, baseline 400 → 406):
- Snapshot byte-for-byte match (SC #12)
- Empty input handling (null, undefined, [])
- Allowlist-redaction sanity (post-bash-stats uten command_excerpt)
- NO client-side timestamps (token-count-assertion per linje)
- normalizeMetricName edge-cases
- Determinism (identisk input → identisk output)

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
Kjell Tore Guttormsen 2026-05-09 09:30:58 +02:00
commit 2349d1d431
5 changed files with 297 additions and 0 deletions
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plugins/voyage/tests/fixtures/expected.prom vendored Normal file
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# HELP voyage_trekbrief_interview_turns voyage stats — trekbrief_interview_turns
# TYPE voyage_trekbrief_interview_turns gauge
voyage_trekbrief_interview_turns{_schema_id="trekbrief",slug="add-auth",mode="default",profile="economy",profile_source="env"} 7
# HELP voyage_trekbrief_research_topics voyage stats — trekbrief_research_topics
# TYPE voyage_trekbrief_research_topics gauge
voyage_trekbrief_research_topics{_schema_id="trekbrief",slug="add-auth",mode="default",profile="economy",profile_source="env"} 3
# HELP voyage_trekbrief_review_iterations voyage stats — trekbrief_review_iterations
# TYPE voyage_trekbrief_review_iterations gauge
voyage_trekbrief_review_iterations{_schema_id="trekbrief",slug="add-auth",mode="default",profile="economy",profile_source="env"} 2
# HELP voyage_trekexecute_steps_failed voyage stats — trekexecute_steps_failed
# TYPE voyage_trekexecute_steps_failed counter
voyage_trekexecute_steps_failed{_schema_id="trekexecute",plan="trekplan-add-auth.md",plan_type="plan",mode="execute",result="completed",profile="premium",profile_source="inheritance"} 0
# HELP voyage_trekexecute_steps_passed voyage stats — trekexecute_steps_passed
# TYPE voyage_trekexecute_steps_passed counter
voyage_trekexecute_steps_passed{_schema_id="trekexecute",plan="trekplan-add-auth.md",plan_type="plan",mode="execute",result="completed",profile="premium",profile_source="inheritance"} 12
# HELP voyage_trekexecute_steps_skipped voyage stats — trekexecute_steps_skipped
# TYPE voyage_trekexecute_steps_skipped counter
voyage_trekexecute_steps_skipped{_schema_id="trekexecute",plan="trekplan-add-auth.md",plan_type="plan",mode="execute",result="completed",profile="premium",profile_source="inheritance"} 0
# HELP voyage_trekexecute_steps_total voyage stats — trekexecute_steps_total
# TYPE voyage_trekexecute_steps_total counter
voyage_trekexecute_steps_total{_schema_id="trekexecute",plan="trekplan-add-auth.md",plan_type="plan",mode="execute",result="completed",profile="premium",profile_source="inheritance"} 12
# HELP voyage_trekplan_agents_deployed voyage stats — trekplan_agents_deployed
# TYPE voyage_trekplan_agents_deployed gauge
voyage_trekplan_agents_deployed{_schema_id="trekplan",slug="add-auth",mode="default",profile="premium",profile_source="flag"} 7
# HELP voyage_trekplan_codebase_files voyage stats — trekplan_codebase_files
# TYPE voyage_trekplan_codebase_files gauge
voyage_trekplan_codebase_files{_schema_id="trekplan",slug="add-auth",mode="default",profile="premium",profile_source="flag"} 156
# HELP voyage_trekplan_deep_dives voyage stats — trekplan_deep_dives
# TYPE voyage_trekplan_deep_dives gauge
voyage_trekplan_deep_dives{_schema_id="trekplan",slug="add-auth",mode="default",profile="premium",profile_source="flag"} 2
# HELP voyage_trekplan_research_briefs_used voyage stats — trekplan_research_briefs_used
# TYPE voyage_trekplan_research_briefs_used gauge
voyage_trekplan_research_briefs_used{_schema_id="trekplan",slug="add-auth",mode="default",profile="premium",profile_source="flag"} 3
# HELP voyage_trekresearch_agents_external voyage stats — trekresearch_agents_external
# TYPE voyage_trekresearch_agents_external gauge
voyage_trekresearch_agents_external{_schema_id="trekresearch",slug="add-auth",mode="default",scope="both",profile="premium",profile_source="default"} 3
# HELP voyage_trekresearch_agents_local voyage stats — trekresearch_agents_local
# TYPE voyage_trekresearch_agents_local gauge
voyage_trekresearch_agents_local{_schema_id="trekresearch",slug="add-auth",mode="default",scope="both",profile="premium",profile_source="default"} 5
# HELP voyage_trekresearch_contradictions voyage stats — trekresearch_contradictions
# TYPE voyage_trekresearch_contradictions gauge
voyage_trekresearch_contradictions{_schema_id="trekresearch",slug="add-auth",mode="default",scope="both",profile="premium",profile_source="default"} 1
# HELP voyage_trekresearch_dimensions voyage stats — trekresearch_dimensions
# TYPE voyage_trekresearch_dimensions gauge
voyage_trekresearch_dimensions{_schema_id="trekresearch",slug="add-auth",mode="default",scope="both",profile="premium",profile_source="default"} 4
# HELP voyage_trekresearch_open_questions voyage stats — trekresearch_open_questions
# TYPE voyage_trekresearch_open_questions gauge
voyage_trekresearch_open_questions{_schema_id="trekresearch",slug="add-auth",mode="default",scope="both",profile="premium",profile_source="default"} 2
# HELP voyage_trekreview_duration_ms voyage stats — trekreview_duration_ms
# TYPE voyage_trekreview_duration_ms histogram
voyage_trekreview_duration_ms{_schema_id="trekreview",slug="add-auth",verdict="ALLOW",mode="default",profile="balanced",profile_source="flag"} 4521
# HELP voyage_trekreview_reviewed_files_count voyage stats — trekreview_reviewed_files_count
# TYPE voyage_trekreview_reviewed_files_count counter
voyage_trekreview_reviewed_files_count{_schema_id="trekreview",slug="add-auth",verdict="ALLOW",mode="default",profile="balanced",profile_source="flag"} 18