Contract — R89 seal: λ Phase 2 graduation + κ §10 backfill + Phase 3 θ unblock

Round: R89 Phase A seal β task ID: 6d4504e0-b64d-4f2f-ae38-3429d800364c Base: origin/main @ 0c858381

Graduation conditions

λ (lambda — Reputation) — graduates from `none` → `partial`

Per ADR-006: partial is the canonical maturity flag for a concept whose “current phase” has shipped end-to-end but whose later phases remain spec-only. complete is reserved for a concept that has shipped every phase in its lifetime.

λ qualifies for partial because all 7 Phase 2 sub-tasks shipped:

Sub-task	PR	Surface	Commit
P2.1.1 — Reputation Record Schema	#226	`src/domains/reputation/schema.ts` + migration	(early R89 Wave 1)
P2.1.2 — Score Computation	#228	`src/domains/reputation/compute.ts`	`d1627b1b`
P2.2.1 — Exponential Decay	#227	`src/domains/reputation/decay.ts`	(R89 Wave 1)
P2.2.2 — Offense Penalties	#229	`src/domains/reputation/penalties.ts`	`7e5cf9d3`
P2.3.1 — Token Levels and Minting	#231	`src/domains/reputation/tokens.ts`	`618b1a13`
P2.4.1 — Capability Gates (Derived Limits)	#230	`src/domains/reputation/limits.ts`	`22b5c604`
P2.5.1 — Reputation Query Tools (MCP)	#232	`src/domains/reputation/tools.ts` + 4 registered tools	`0c858381`

MCP surface delta: 14 → 18 tools. Added:

reputation_get(node_id, domain?) — per-domain score + scars + ban + last activity
reputation_history(node_id, domain, limit) — paginated history events
reputation_leaderboard(domain, limit) — top N nodes by score
reputation_check_gates(node_id) — capability gate results

Phase 3 (governance integration) and later phases remain spec-only, so partial is the correct flag, not complete.

κ (kappa — Rule Engine) — graduates from `none` → `partial` (R87 backfill)

R87 closed all 20 Phase 1 sub-tasks (PR #205 through #220, 2026-05-07). The κ concept doc was missed in the R87 frontmatter graduation pass. This PR backfills it.

Same partial rationale applies: every Phase 1 sub-task shipped (parser, canonical, validator, engine, builtins, state-access, policy-gate, registry, version-hash, parity-harness, admission, denial-reasons, budgets, migration, activation, tool-lock-adapter); Phase 2+ rule extensions (e.g. governance- proposed rule upgrades, fork-aware versioning) remain spec-only.

θ ι μ ξ π — remain `colibri_code: none`

Per dispatch prompt, this PR explicitly does NOT graduate these. Spec-only status correct. They are Phase 3+ targets.

§10 maturity claim update

Current (line 207, pre-R89): “8 ship code (α β γ δ ε ζ η ν); 7 remain spec-only (θ ι κ λ μ ξ π)”.

Target (post-R89): “10 ship code (α β γ δ ε ζ η κ λ ν); 5 remain spec-only (θ ι μ ξ π)”.

History to acknowledge in §10 prose:

7-shipping → 8-shipping graduation: R75 Wave I (2026-04-18) added δ stubs per ADR-005 §Decision.
8 → 9 graduation: R87 (2026-05-07) closed κ Phase 1 but didn’t update §10 or κ doc frontmatter.
9 → 10 graduation: R89 (2026-05-12, this PR) closes λ Phase 2 and backfills the missed R87 κ §10/frontmatter graduation.

Phase 3 θ dispatch unblock

The staging file p3.1-theta-consensus.md was authored at R89.C (#224) with status: staged and an explicit gate language:

Header block (lines 102–110): “Phase 3 executor dispatch BEGINS only after Phase 2 λ seals.”
§P3.1.1 inline gate (line 224): “GATE: Phase 2 λ Reputation must be sealed before you dispatch this slice.”
§P3.5.1 inline gate (lines 1656–1658): “λ dependency in flight at R89.C: … This slice MUST wait until Phase 2 λ P2.2.2 (penalties) seals before dispatch.”

T0’s autonomous Phase 2+3 mandate (per dispatch prompt) plus the actual close of λ Phase 2 satisfies both gates. Update:

status: staged → status: ready
Header gate block: replace “BEGINS only after Phase 2 λ seals” framing with “Phase 2 λ closed at R89 2026-05-12; P3 dispatch is now authorized.”
Per-slice gate language: REMAIN intact for the ADR-002/003 references (out of scope per dispatch prompt). The λ-seal gate lines update to past tense / closed.

Out of scope (must NOT change)

Any src/ source code.
ADR-002 (VRF) gate language in p3.1.
ADR-003 (BFT library) gate language in p3.1.
Frontmatter for θ ι μ ξ π concept docs.
Test baseline (must remain 2647/2647).
Skill files in .agents/ or .claude/.

Contract — R89 seal: λ Phase 2 graduation + κ §10 backfill + Phase 3 θ unblock

Graduation conditions

λ (lambda — Reputation) — graduates from none → partial

κ (kappa — Rule Engine) — graduates from none → partial (R87 backfill)

θ ι μ ξ π — remain colibri_code: none