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Returns the eight first-position open guitar chords every curriculum starts with — C, G, D, A, E, Am, Em, Dm — with diagrams and short fingering tips. Use when a learner asks 'what are the easy chords' / 'beginner chords' / 'first chords I should learn'.
用 Codex 或 Claude 帮你安装 复制这段 Prompt，粘贴到 Codex、Claude 或其他助手里，让它检查 Skill 页面并帮你完成安装。
基于 SOC 职业分类
Post-merge intent-vs-delivery evaluator. Resolves the most recent squash-merged PR, captures its stated intent (title + Summary), diffs it against what actually landed, runs /octo:review for specialist commentary, scans Codex bot comments (P0/P1 degrade the grade), computes a high/medium/low alignment score, and writes a structured grade to state/quality/pr-grades/<merge-sha>.json. Closes the "agent declared done, nobody checked the goal" loop.
Run one bounded supervised autonomous cycle on the Guitar Alchemist repo. Picks the smallest unchecked roadmap slice inside allow_edit, implements it, runs the oracle, emits cycle evidence, and stops. Refuses to run unless dev-process-overseer reports loop-eligible and the preflight passes. Use when asked to "run one supervised loop", "advance the roadmap autonomously", or "do one cycle and stop".
Rebuild the OPTIC-K voicing index (state/voicings/optick.index). Invoke when schema hash bumps, tag enrichment changes, new chord qualities are added, or the leak-test / invariant-coverage tools flag regressions. Mandatory precondition: stop any process that has the index mmap-locked — GaApi and GaMcpServer both hold the file open at runtime, and the write step WILL fail with IOException otherwise.
Generalized Cherny-style autonomous improvement loop. Reads a domain-scoped baseline.json + oracle script, runs the oracle, picks the worst-scoring item, proposes a fix, validates rollback safety, commits if metric improved AND roundtrip passes. Use for chatbot-qa, embeddings, voicing-analysis, or any other domain that has a baseline + oracle. Refuses to run if killswitch present, governance halt active, or scope_boundary violated.
End-to-end autonomous (AFK) harness that develops AND QAs the GA chatbot. Orchestrates the existing Level-3 /auto-optimize dev loop + the semantic /ga-chatbot-qa-panel judge workflow, instruments every step to a dashboard the human can watch, and enforces branch-only / never-merge safety. Use to run unattended chatbot-quality improvement with full human visibility. Refuses to run if the backend is down, a killswitch/halt marker is present, or scope_boundary is violated.
Turns raw Sentrux structural-quality metrics (quality_signal, cycle count, coverage) into a ranked list of actionable refactor recommendations with starter sketches. Pulls live data from sentrux MCP tools, optionally cross-references AI annotations (@ai:business-value, @ai:smell) and the latest /test-plan output, then writes 5-10 prescriptive bullets to state/quality/sentrux-next-steps/<date-Z>.md so the Sentrux dashboard tab can render them. PROPOSES — never auto-refactors; the human picks which recommendation to take.
| name | beginner-chords |
| description | Returns the eight first-position open guitar chords every curriculum starts with — C, G, D, A, E, Am, Em, Dm — with diagrams and short fingering tips. Use when a learner asks 'what are the easy chords' / 'beginner chords' / 'first chords I should learn'. |
| triggers | ["beginner chord","easy chord","first chord","open chord","starter chord","basic open chord","simple guitar chord"] |
| license | internal |
| compatibility | {"agent-framework":">=1.0.0-preview","microsoft-extensions-ai":">=10.5.1"} |
| metadata | {"authoring-style":"deterministic-catalog","origin":"ported from Common/GA.Business.ML/Agents/Skills/BeginnerChordsSkill.cs (PR #71) — canary for SKILL.md authoring (PR-pending)","evidence-kinds":["catalog_lookup"]} |
Use this catalog when a learner asks for the first chords to learn. Reproduce the eight diagrams verbatim and end with the practice tip in the final paragraph. Do not invent additional chord shapes or alter the fingering notes — those are pedagogically chosen and pre-validated.
Each diagram is six tokens, low-to-high (E A D G B e). 0 = open string, x = mute, otherwise the integer is the fret number. Tokens are separated by -.
x-3-2-0-1-0 — First-position major. Watch the muted low E.3-2-0-0-0-3 — Use ring/middle/pinky on E-A-e for cleaner switching to D.x-x-0-2-3-2 — Compact triad — handy for "D shape" barre training later.x-0-2-2-2-0 — Index/middle/ring on D-G-B; or barre with one finger across the 2nd fret.0-2-2-1-0-0 — Strongest, fullest open chord — every string rings.x-0-2-2-1-0 — Same shape as E, moved one string up; bedrock minor sound.0-2-2-0-0-0 — Easiest chord on the guitar — two fingers, six strings ringing.x-x-0-2-3-1 — Compact like D major; good for swapping with C and G in folk songs.Drill C ↔ G ↔ D ↔ Am ↔ Em as a smooth loop. Those five cover most folk, pop, and country songs in major keys. Add A, E, and Dm next.
Common/GA.Business.ML/Agents/Skills/BeginnerChordsSkill.csTests/Common/GA.Business.ML.Tests/Unit/BeginnerChordsSkillTests.cs