superseded: complete durable query parity

[tim8es]

Completes durable ADR-0005 v0.1 query parity for ListGoals, ListGoalTasks, and GetTaskExecutionView.

Key guarantees:

• list reads come directly from canonical D1 state with deterministic bounded cursor pagination;
• missing Goal/Task parents return bounded NOT_FOUND envelopes;
• GetTaskExecutionView derives Task, effective Lease, and latest Checkpoint in one D1 statement so one response cannot mix separate database read snapshots;
• effective Lease projection respects Lease expiry plus Session status/liveness at authoritative server time;
• no retained application state or second authority is introduced.

TDD evidence:

• RED Quality 33284893955: the previous 143 tests remained green while exactly the three new query regressions failed on UNSUPPORTED_OPERATION;
• hardening run 33285112259: 34/34 test files, 146/146 tests, full pnpm check, coverage 85.1% statements / 74.51% branches / 96.79% functions / 86.86% lines;
• docs reconciliation 33285227052: full pnpm check and coverage passed after temporary harness cleanup.

docs/CURRENT_STATE.md, docs/roadmap/V0_1.md, and CHANGELOG.md now record complete local durable command/query parity and retain the explicit no-deployed-Cloudflare claim.

[tim8es]

@codex review

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[tim8es]

Superseding this draft mechanically because the GitHub connector's markPullRequestReadyForReview mutation currently fails on an invalid Repository.fullDatabaseId field. No code/tree change is involved. Exact head c642f2657762c46e9e9eee7c165c79f2c18f5710 already passed permanent Quality run 33285350009; the replacement PR will point to this identical head.