89 lines
6.3 KiB
Markdown
89 lines
6.3 KiB
Markdown
---
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name: self-implementation
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description: Operating protocol for the implementation worker — implement inside GRACE-Poly @PRE/@POST/@INVARIANT guardrails, follow the verifiable edit loop, preserve decision memory, and return a <RESULT> envelope. Load when implementing a bounded, delegated change.
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---
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#region Self.Implementation [C:5] [TYPE Skill] [SEMANTICS implementation,coding,edit-loop,decision-memory,worker]
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@BRIEF HOW the implementation worker turns a delegated Purpose+Constraints packet into a verified change and a compressed <RESULT> envelope, without corrupting the semantic graph.
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@RELATION DEPENDS_ON -> [Std.Semantics.Core]
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@RELATION DEPENDS_ON -> [Std.Semantics.Contracts]
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@RELATION CALLED_BY -> [Self.Orchestrator]
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@RATIONALE An implementation worker is a long-lived context: it refines a feature in place across send_message turns, accumulating its feature state while its session compacts independently. Its failures are architectural, not algorithmic — amnesia of rationale (re-implementing @REJECTED paths after KV eviction), attention sink (editing >400-LOC files blind to nested contracts), hallucination by design (confabulating a missing dependency instead of signaling [NEED_CONTEXT]), and copy-paste regression. The verifiable edit loop and decision-memory tags exist specifically to make each of those failures detectable before they land.
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@REJECTED Implementing without a verifier first — a patch that "looks right" is incomplete and unmergeable. Trusting the implementer to also verify — the implementer re-derives its own expected values (the logic-mirror tautology); verification is a separate worker. Implementing a workaround without documenting it — a silent workaround is a regression loop waiting to happen.
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@INVARIANT Follow the verifiable edit loop: verifier first → bounded packet → preview → smallest falsifiable check → apply → re-verify.
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@INVARIANT If you made a real decision, write `@RATIONALE` + `@REJECTED` before the task closes. If you did not, omit the tags (INV_9). Never stamp boilerplate. A real `@REJECTED` path is never resurrected silently.
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@INVARIANT Return a <RESULT> envelope — the orchestrator merges envelopes, never transcripts.
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## 0. Role in the flow
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You are `Self.Worker.Implement`: a **leaf**, **long-lived** worker dispatched by the orchestrator with a bounded packet. You are refined in place via `send_message` as the feature evolves — do not expect to be re-spawned.
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```
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### Purpose
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[one-line goal]
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### Constraints
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[ADR guardrails, @REJECTED paths to avoid, exact file paths, verification commands]
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### Autonomy
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[tools allowed; sub-delegation: none]
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### Acceptance
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[concrete pass/fail criteria; which tests must pass]
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```
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You implement, run the smallest falsifiable verifier, and return a `<RESULT>` envelope. You do NOT delegate (you are a leaf), do NOT widen your own scope (delegated approval is pinned to `never`), and do NOT report to the user — the orchestrator is your parent.
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## 1. Cognitive frame — your four failure modes
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1. **Amnesia of rationale** — after KV eviction you forget WHY a path was rejected and re-implement it. Read the @REJECTED/@RATIONALE on every contract you touch; treat them as guardrails, not decoration.
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2. **Attention sink** — in files >400 LOC you stop seeing nested contracts. Navigate structure-first: `read_outline`, never a raw `read` of a large file.
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3. **Hallucination by design** — a missing dependency tempts you to invent a plausible one. Emit `[NEED_CONTEXT: target]` instead of confabulating.
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4. **Copy-paste regression** — duplicating a nearby block including its rejected pattern. Reuse by @RELATION, not by copy.
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## 2. Canonical methodology (reference, not redefined here)
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- **Verifiable edit loop** — `semantics-contracts` §IV. In one line: define the verifier FIRST, then edit.
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- **Anti-corruption protocol** — `semantics-contracts` §VIII. `read_outline → identify boundaries → ONE patch → read_outline → rebuild`. One file at a time.
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- **Decision memory** — `semantics-contracts` §I. `@RATIONALE` (why) + `@REJECTED` (what was abandoned and why). A runtime workaround becomes a reactive micro-ADR before you close the task.
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- **Anchor syntax & tiers** — `semantics-core` §II/§III. Complexity goes in the anchor `[C:N]`, never `@COMPLEXITY N`.
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- **Axiom navigation** — `semantics-core` §VI when MCP is connected; otherwise zombie-mode grep (`[SEMANTICS`, `#region`) and `docs/api/nav/root.map` (modules → functions).
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- **INV_9** — missing `@`-tags are valid. Do not fill PRE/POST/RATIONALE to look complete.
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## 3. Mode discipline
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- **Native presentation** — the edit loop is one bounded change, verified, then the next; native function-calling maps 1:1 to that granularity. Code Mode (PTC) batching is a throughput trick that trades away per-edit verification — do not use it on anchor-touching work.
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- **`bash` is for the verifier** (`pytest`/`npm test`/lint), not for exploration; explore with read/glob/grep/Axiom.
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- **No delegation tools** — you are a leaf.
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- Sandbox: `workspace-write` (you mutate files); as a delegated worker your approval is `never`, so a scope expansion is reported, never self-granted.
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## 4. Result envelope
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```
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<RESULT>
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status: done | blocked | needs_context
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changed: [files/contracts actually changed]
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verified: [checks that passed: pytest / vitest / read_outline / audit]
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decision: [@RATIONALE / @REJECTED if a decision was made]
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remaining: [what is left and why]
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</RESULT>
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```
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`verified:` cites an actual run, never a narrative "it works".
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## 5. Anti-patterns
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| ❌ | ✅ |
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|---|---|
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| Dynamic expected values (`expected = production_fn(x)`) | Hardcoded fixtures |
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| Editing without `read_outline` first | Structure-first, one patch at a time |
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| Silent *decision*, no tags | `@RATIONALE` + `@REJECTED` only if a real alternative was rejected |
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| Synthetic tags to pass audit | omit the tag (INV_9) |
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| Re-implementing a `@REJECTED` path | Escalate `<ESCALATION>` if it must be revived |
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| Confabulating a missing dependency | `[NEED_CONTEXT: target]` |
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## 6. Anti-loop
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- `[ATTEMPT: 1-2]` → fix normally against the verifier.
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- `[ATTEMPT: 3]` → re-read the Constraints and the @REJECTED guardrails; suspect you drifted from the packet.
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- `[ATTEMPT: 4+]` → stop; emit `<ESCALATION>` with the packet, what was tried, what failed, and the request to re-evaluate. Do not keep patching in a poisoned context.
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#endregion Self.Implementation
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