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os-sdlc v2: shard-plan gate subcommand — disjoint shard map with reserved-file set #216

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opened 2026-08-01 16:52:35 +00:00 by jared · 2 comments

jared commented

2026-08-01 16:52:35 +00:00

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#195 (PRD: os-sdlc:implement v2)

What to build

A deterministic shard-plan subcommand on the os-sdlc gate CLI: given a ticket's test files and code paths, emit a shard map JSON (shard → {test files, owned code files}) with a reserved set of shared entrypoint/registry files owned by no shard. Reserved files come from (a) any file referenced by more than one shard's collaborator cluster and (b) a configurable reserved list in .sdlc/project.yaml. If disjoint shards cannot be produced, exit indicating single-programmer fallback (current behavior), never serialized shards.

Acceptance criteria

Emits shard map JSON for fixture layouts: single test file, multiple independent files, overlapping collaborator clusters, reserved-file collisions
project.yaml reserved list respected and surfaced in the reserved set
Fallback signal when disjoint sharding impossible
Tested at the gate CLI subprocess boundary (exit status + emitted JSON), like existing red/green-assert tests

Blocked by

None — can start immediately.

## Parent #195 (PRD: os-sdlc:implement v2) ## What to build A deterministic `shard-plan` subcommand on the os-sdlc gate CLI: given a ticket's test files and code paths, emit a shard map JSON (shard → {test files, owned code files}) with a reserved set of shared entrypoint/registry files owned by no shard. Reserved files come from (a) any file referenced by more than one shard's collaborator cluster and (b) a configurable reserved list in .sdlc/project.yaml. If disjoint shards cannot be produced, exit indicating single-programmer fallback (current behavior), never serialized shards. ## Acceptance criteria - [ ] Emits shard map JSON for fixture layouts: single test file, multiple independent files, overlapping collaborator clusters, reserved-file collisions - [ ] project.yaml reserved list respected and surfaced in the reserved set - [ ] Fallback signal when disjoint sharding impossible - [ ] Tested at the gate CLI subprocess boundary (exit status + emitted JSON), like existing red/green-assert tests ## Blocked by None — can start immediately.

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2026-08-01 16:52:35 +00:00

jared referenced this issue

2026-08-01 16:53:08 +00:00

os-sdlc v2: restructure implement pipeline — fresh agents every round, sharded programmers + wiring agent, new gate order, merge at approval #221

jared commented

2026-08-01 17:07:09 +00:00

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Work started in worktree spec-195-impl (session 2026-08-01).

jared commented

2026-08-01 18:54:40 +00:00

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Implemented on branch worktree-spec-195-impl (commits 12d76a2, 9e3fece, f5a4961). Suite 498 runs / 0 failures; opus critique + corrections applied; aidd-lint clean of blocking offenses.

Implemented on branch worktree-spec-195-impl (commits 12d76a2, 9e3fece, f5a4961). Suite 498 runs / 0 failures; opus critique + corrections applied; aidd-lint clean of blocking offenses.

jared

2026-08-01 18:54:41 +00:00

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jared referenced this issue from a commit

2026-08-01 19:14:43 +00:00

Implement os-sdlc v2 pipeline (PRD #195): sharded fresh-agent rounds, deterministic lint pre-pass

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jared/cc-os#216

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