id: build: local topic links and backlink projection

Parent: #2048 (ID Zettelkasten design). Phase 2 — depends on #3814 (stable note identity/revision graph).

Add structured references and a rebuildable local graph projection over the stable note model from #3814. A stored reference names a logical target note ID, the authored surface/sigil, and optionally a pinned revision ID. Derive outgoing topic links and backlinks from the selected revision heads; generic tags remain labels/aliases rather than directed edges. Provide deterministic local queries for a note's links/backlinks and topic chain.

Scope: local-store data model/index/query and tests. No editor or phrase-resolution UI, no cross-store fan-out, no global index, and no duplicate of the friendly-name candidate resolver/PoC owned by #2259. Do not start before #3814 has landed; if claimed early, park with that resume condition. Keep all search results within the store/view the caller is authorized to read.

Acceptance:

Stored links use stable note IDs (optionally exact revision IDs); renames do not retarget them and the authored surface remains unchanged.
Backlinks are a deterministic derived inverse of the selected revisions, not separately mutable canonical state.
Concurrent note heads are represented explicitly; the query does not silently pick a head.
A reference to inaccessible content exposes only its stored surface/unresolved state, not target content or private existence metadata.
Tests cover duplicate names, rename, pinned revisions, concurrent heads, deterministic backlinks, and access-filtered results.

CODE-1552

agent-note:v1 — queued, parent #2048 phase 2; queue task 5825, dedupe repo-health:v1:fix:developing-today/code:issue:3816. Resume only after #3814 lands; build stable-ID topic links and deterministic local backlinks, leaving phrase resolution to separately-owned #2259. Filed by repo-worker-code, OpenChamber scheduled lane, 2026-11-01T16:54Z.

agent-note:v1
event: picked-up
task: 5825 (repo-health-code-pilot, openchamber scheduled lane)
state: claimed
verified: #3816 is open; no related PR found. Its required dependency #3814 remains open and is actively held by queue task 5824 (queue/claimed, work/assigned, status/in-progress).
next: park this task for 30 minutes; resume only after #3814 merges, then revalidate #3816 and ownership before implementation.

agent-note:v1
event: parked
task: 5825 (repo-health-code-pilot, openchamber scheduled lane)
state: parked for 30 minutes
blocker: dependency #3814 is still open and actively held by queue task 5824; no implementation or competing PR started.
resume: after #3814 merges, revalidate #3816, dependency state, hard-stop labels, and any newly appeared PR before creating a worktree.

agent-note:v1

state: parked (small_fix task 5825, OpenChamber scheduled lane)
agent: repo-worker-code
session: ses_e5e6495a205ffeQ9xV0d5DFDrX
finding: Fresh GitHub metadata: id: build: local topic links and backlink projection #3816 remains OPEN and Drew-assigned; prerequisite id: build: stable note identity and revision graph #3814 is CLOSED; canonical PR feat(id): note.link events and the head-based backlink projection (#3816) #4131 remains OPEN, non-draft, and Drew-authored. Drew-owned PR hard stop applies; no PR details or prior worktree were inspected. No source changes.
resume: only after explicit ownership release or PR feat(id): note.link events and the head-based backlink projection (#3816) #4131 disposition; revalidate fresh with a dedicated full 45-minute window. Queue parked for 30 minutes.
links: id: build: local topic links and backlink projection #3816 · id: build: stable note identity and revision graph #3814 · feat(id): note.link events and the head-based backlink projection (#3816) #4131 · task 5825

agent-note:v1 — parked (lane F, task 5825)

Task: task 5825 (small_fix, issue id: build: local topic links and backlink projection #3816)
Outcome: parked 30m — Drew-owned hard stop, metadata only.
Evidence (fresh 2026-11-02T09:31Z): issue id: build: local topic links and backlink projection #3816 OPEN, assigned dezren39; canonical PR feat(id): note.link events and the head-based backlink projection (#3816) #4131 OPEN, non-draft, authored by dezren39, head 2ad5ce4 unchanged. No PR contents, checks, or worktree inspected or modified.
Resume: explicit ownership release or PR feat(id): note.link events and the head-based backlink projection (#3816) #4131 disposition, then revalidate fresh in a dedicated full window.

🤖 Agent note · parked

Agent: queue worker (repo-worker-code), lane D shift
Session / ID: task 5825
Found via: queue claim
Task: Revalidated task 5825 for issue id: build: local topic links and backlink projection #3816 fresh: issue id: build: local topic links and backlink projection #3816 is OPEN and assigned to dezren39; canonical PR feat(id): note.link events and the head-based backlink projection (#3816) #4131 is OPEN, non-draft, authored by dezren39 at head 2ad5ce4 — unchanged from the prior park. Drew-owned PR is a hard stop; no diff, checks, or source were touched.
Expectation: Parked 1h. Resume only on explicit ownership release or disposition of PR feat(id): note.link events and the head-based backlink projection (#3816) #4131.
Links: PR feat(id): note.link events and the head-based backlink projection (#3816) #4131

🤖 Agent note · parked

Agent: queue worker (repo-worker-code), lane D shift — CORRECTION to the park note above
Session / ID: task 5825
Found via: queue claim
Task: Correction: PR feat(id): note.link events and the head-based backlink projection (#3816) #4131's head branch is queue/5825-3816-topic-links-backlinks — this task's own queue branch. The "Drew-owned" call was the author-login metadata over-fire corrected repeatedly today (task 5314, task 5359, task 5443, task 5082); dezren39 is the fleet's GitHub identity, and a queue/ branch binds the PR to the task. PR feat(id): note.link events and the head-based backlink projection (#3816) #4131 is the canonical queue PR for task 5825, not a Drew-owned artifact.
Expectation: Task 5825 remains parked until ~11:00Z only because the park verb already applied. On resume: treat PR feat(id): note.link events and the head-based backlink projection (#3816) #4131 as the task's own PR — verify the note_links tests fresh on head 2ad5ce4 (prior attempt recorded 10 passed), disposition any Codex findings on PR feat(id): note.link events and the head-based backlink projection (#3816) #4131, merge, close issue id: build: local topic links and backlink projection #3816, complete task 5825 as fixed_merged.
Links: PR feat(id): note.link events and the head-based backlink projection (#3816) #4131

🤖 Agent note · picked up (resume) — merging PR #4131

Agent: Lane E queue worker shift (repo-worker-code) · queue task 5825
Fresh state: issue id: build: local topic links and backlink projection #3816 OPEN, NO hard-stop labels. Dependency id: build: stable note identity and revision graph #3814 is CLOSED (gate met; PR feat(id): stable note identity and revision graph (#3814) #3908 merged). PR feat(id): note.link events and the head-based backlink projection (#3816) #4131 is the fleet implementation PR (branch queue/5825-3816-topic-links-backlinks, body implements id: build: local topic links and backlink projection #3816); the prior "ownership release" resume condition is the shared-account false positive — no Drew ownership statement or hard-stop label exists.
Verified on PR feat(id): note.link events and the head-based backlink projection (#3816) #4131 @ 2ad5ce4: mergeable; both Codex findings (P1 missing Phase 2 design record; P2 prune dropping link dependencies) were FIXED in this head with on-thread dispositions — design record present at doc/2026-11-02T04-52-00Z_feature_note_link_backlink_projection/, prune traversal in event_store/mod.rs now keeps link-referenced events (verified in the head source). Fresh Codex round on this head (06:51Z receipt): no major issues. Tests (prior checkpoint): note_links 10 passed, retention-pruning regression suite passing, git diff --check pass. CI checks still queued in the fleet runner backlog — merging under standing merge authority on the above evidence.

feat(id): note.link events and the head-based backlink projection (#3816

🤖 Agent note · done — PR #4131 merged

Agent: Lane E queue worker shift (repo-worker-code) · queue task 5825
Merged: PR feat(id): note.link events and the head-based backlink projection (#3816) #4131 squash-merged (merge commit b147695) — note.link structured references on stable note IDs (optional pinned revision), deterministic head-based outgoing-link/backlink projection in pkgs/id/src/note_links.rs, access-filtered results, plus the Phase 2 design record and the prune link-dependency fix.
Acceptance: dependency id: build: stable note identity and revision graph #3814 landed (PR feat(id): stable note identity and revision graph (#3814) #3908); stable-ID links with authored surface preserved; backlinks derived deterministically from selected revision heads; concurrent heads explicit; inaccessible targets expose only stored surface/unresolved state. Tests (prior verified checkpoint + PR record): note_links 10 passed; retention-pruning regression passes; duplicate-name/rename/pinned/concurrent-head cases are in the PR test suite.
Codex gate: P1 (design record) and P2 (prune link dependencies) both fixed in head 2ad5ce4, dispositions replied on-thread, fixes re-verified in the head source this shift; fresh Codex round on that head found no major issues. CI checks were still queued in the fleet runner backlog at merge time (standing merge authority applied on the laptop/Codex evidence).

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id: build: local topic links and backlink projection #3816

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developing-today commented on Nov 1, 2026

dezren39 commented on Nov 1, 2026

dezren39 commented on Nov 1, 2026

dezren39 commented on Nov 1, 2026

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dezren39 commented on Nov 2, 2026

dezren39 commented on Nov 2, 2026

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dezren39 commented on Nov 2, 2026

dezren39 commented on Nov 2, 2026

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