Add lane registry: lanes.sh + herdr-agent.sh wrapper#48
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Foundation for the Manager/Worker orchestration (Wave 1) — a derived-live view of the repo's lanes plus a tested wrapper over the herdr agent primitives every later task will call. - herdr-agent.sh: guarded wrappers over `herdr agent list|get|read|wait` (robust python3 JSON validate, degrade-not-block exit codes, bounded wait). Centralizes the realpath cwd↔worktree match as $HERDR_MATCH_PRELUDE (match_roots/classify_cwd), the ONE place both consumers share. - lanes.sh: joins `ws-statusline.sh states --cached` (backlog state) with `herdr agent list` (liveness), one row per active worktree, keyed by worktree path. TSV/JSON. Degrades to states-only outside herdr; fail-closed `unverified` on an empty/malformed list (mirrors worktree-tab-state). - herdr-tab-glyph.sh: now sources herdr-agent.sh and consumes the shared prelude instead of its own inline match — byte-identical output verified against a live snapshot. herdr-teardown.sh left as-is (its 1:1 cwd==target lookup is a distinct operation, not the 1:N classify). - test_lanes.py + test_herdr_agent.py: join / degraded / unverified / first-wins / exclusion, and the primitives + degrade + bounded wait. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01R8crYp6tzRKMiwW63Zt3GG
Add features/lane-registry.md: the herdr-agent.sh wrapper + centralized $HERDR_MATCH_PRELUDE, lanes.sh's worktree-path-keyed states⨝liveness join, the worktree-tab-state degrade tri-state, and the env test-seams. Index updated. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01R8crYp6tzRKMiwW63Zt3GG
Apply the agreed findings from a local swarm review (11 ✅ + 1 🟨; the 3 ❌ — a feature version bump, a README inventory line, and a per-subcommand python3 guard — were deliberately left, see the PR discussion). herdr-agent.sh: - Bound herdr list/get/read with a wall-clock timeout (_ha_bounded: timeout → gtimeout → perl alarm), honouring the header's "never a hang" promise. wait stays governed by its own --timeout. (#6) - ha_wait now detects the --timeout=MS form too, so a caller's explicit bound in either spelling is honoured and no duplicate flag is appended. (#7) - A missing <target> returns usage code 2, not 4 (server-unreachable), so a programmer error is not mistaken for a transient outage. (#12) - set -u is enabled only on the executed-CLI path, never at source time, so sourcing for the prelude/helpers no longer mutates the caller's shell. (#13) - classify_cwd returns the resolved path as a third tuple element, so a caller keying by full path reuses it instead of a second realpath. (#14) lanes.sh: - Scrub tab/CR/LF from every TSV cell: agent-derived fields are untrusted, and an embedded tab/newline would forge columns/rows. Mirrors herdr-tab-glyph. (#1) - Guard the agent loop against non-dict (null) elements → never crash, always exit 0. (#2) - flush() now calls the shared classify_cwd instead of re-open-coding the task rule, so the classification can't drift between the two consumers. (#15) - Resolve SCRIPT_DIR via BASH_SOURCE (robust to bare-name invocation). (#5) - Header wording: exit-0 scope clarified; --json emits [] when no lanes. (#3, #8) herdr-tab-glyph.sh: consume classify_cwd's new 3-tuple; same BASH_SOURCE fix (#5). herdr-tab-glyphs.md: point at $HERDR_MATCH_PRELUDE as the shared match SoT. (#10) Tests extended: null-element + TSV-injection (lanes); --timeout= + missing-target exit 2 (herdr-agent). Regression: herdr-tab-glyph output byte-identical vs a live snapshot. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01R8crYp6tzRKMiwW63Zt3GG
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A second local swarm review (mostly regressions surfaced by the round-1 fixes); 7 agreed findings applied, 3 declined (a misread pluginVersion, the re-raised per-subcommand python3 guard, and a 3-file DRY extraction left as a follow-up). herdr-agent.sh: - ha_wait now runs under _ha_bounded too, sized ABOVE the server --timeout (+5s), so a wedged server can't hang it either — the "never a hang" contract now holds for every wrapper. _ha_bounded takes the bound as an argument. (#1) - get/read/wait reject a leading-dash <target> (usage code 2) so an untrusted id can't be parsed as an option flag, matching herdr-tab-glyph's guard. (#3) lanes.sh: - Coerce every liveness cell to str (_s): a non-string herdr field (e.g. numeric agent_status) no longer crashes the TSV scrub / mistypes the JSON. (#2) - A malformed (non-dict) list element now fails unmatched lanes closed to "unverified" — a partly-untrustworthy list can't assert "no worker". (#4) - Every --json early-exit emits [] (not empty stdout), so json.loads never chokes; the header contract is now fully honoured. (#5) - Drop the dead `import os` from lanes_join (the prelude imports it). (#7) herdr-tab-glyph.sh: cmd_refresh calls the bounded ha_list instead of a raw `herdr agent list`, so a wedged server can't hang a glyph refresh. (#6) Tests extended: leading-dash reject + bounded wait (herdr-agent); non-string field, malformed→unverified, and []-on-empty (lanes). check-structure green, classification byte-identical vs the live snapshot. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01R8crYp6tzRKMiwW63Zt3GG
A third swarm review (--fix) over the accumulated diff; 6 agreed findings applied, 4 declined (the recurring feature version bump — user decided against it; a premature _ha_validate_dict helper; a theoretical states-via-argv ARG_MAX; and the 3-file run_bounded DRY extraction, still a follow-up). herdr-agent.sh: - ha_get validates with an explicit if/exit instead of `assert` — `python3 -O` / PYTHONOPTIMIZE strips asserts, which would silently pass a malformed body. (#1) - Factor the <target> guard (empty + leading-dash) into one _ha_check_target helper the three wrappers share, instead of three copy-pasted case lines. (#7) herdr-tab-glyph.sh: - extract_glyph_tabs guards non-dict agents/tabs elements (isinstance), mirroring the lanes.sh hardening, so a null element can't abort a whole refresh. (#3) - Bound `herdr tab list` via _ha_bounded too: ha_list already bounds the agent call, but a server wedging on the tab-list call would still hang refresh. (#4) lanes.sh / herdr-agent.sh: chmod +x — both carry a shebang and a CLI Usage header, so they now match the executable sibling CLIs (ws-statusline.sh, …). (#5) Tests: an INTEGRATION test drives the real HERDR_ENV → ha_list → mktemp → trap → join glue with a fake herdr on PATH (previously only the env seam was covered); classification stays byte-identical vs the live snapshot. (#8) Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01R8crYp6tzRKMiwW63Zt3GG
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Summary
herdr-agent.sh: the one wrapper overherdr agent list|get|read|wait(robust python3 validate, degrade-not-block exit codes, bounded wait) and the single home of the realpath cwd↔worktree match, exposed as$HERDR_MATCH_PRELUDE.lanes.sh: joins backlog state with herdr liveness, one row per active worktree, keyed by worktree path.Changes
herdr-agent.sh(new) — guarded primitive wrappers;readbest-effort (no schema),waitinjects a default--timeout(no busy loop); exit codes 3=tools-absent / 4=herdr-failed / 5=malformed. Centralizesmatch_roots/classify_cwdas$HERDR_MATCH_PRELUDE, sourced side-effect-free (BASH_SOURCE == $0guard).lanes.sh(new) —ws-statusline states --cached⨝herdr agent list, keyed by worktree_path (never pane/tab ids). TSV/JSON. Degrade tri-state mirrorsworktree-tab-state: outside herdr → blank; inside + unreachable/empty/malformed list → fail-closedunverified; populated-but-unmatched → confidently blank.herdr-tab-glyph.sh— now sourcesherdr-agent.shand consumes the shared prelude instead of its own inline match. Output verified byte-identical against a live herdr snapshot (it has no unit test).herdr-teardown.shleft as-is: its 1:1cwd==targetlookup is a distinct operation.test_lanes.py/test_herdr_agent.py(new) — join / degraded / unverified / first-wins / exclusion, and the primitives + degrade + bounded wait. Both run undercheck-structure.py's plugin-test check.features/lane-registry.mddocuments the above.Readiness
features/lane-registry.mdaddedcheck-structure.pygreen (incl. 2 new test files)Test plan
python3 scripts/check-structure.pyis greenlanes.shinside herdr shows one row per worktree with correct liveness; outside herdr shows blank livenessherdr-tab-glyph.sh refreshstill stamps glyphs identically (no regression)🤖 Generated with Claude Code