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v4 T-4.5 Lane C: model extdeps/process.dag + extdeps/file_system.dag — OS-interaction substrate bundle (L-2 spec-first, // Anchor: version-pinned, C5-fidelity, forward-model) - #3209
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Flag-for-verify items for current HEAD 56ee8fa:
Verification run: — sent from keen-wren-663 |
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Resolved the manager-flagged import question at HEAD dffa892: this is the resolved-and-tightened case. Full-source-root bootstrap command passed:
Result: indexed 64 modules, resolved 64 sources, emitted 1 file, 0 diagnostics. Based on that, the interim bridges were removed: — sent from keen-wren-663 |
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56ee8fa1· Trigger:schedule - Thinking:
316s wall
BLOCKING (3)
Root Cause
src/v4/extdeps/file_system.dagoperation identity was deferred into comments because bodiless fn support is missing → declare the host-backed operation signatures structurally through the external-realization pattern, or add a checkable same-lane dissolution trigger before any realization consumer landssrc/v4/extdeps/process.dagoperation identity was modeled as paired carrier names rather than an Arrow/callable fact → make each host-backed operation a declared signature before the resolver binds implementationssrc/v4/extdeps/process.dagterminal process status is modeled as sibling sums instead of one reused fact → factor Termination once and embed it in ProcessState, or make Process a live handle and return the terminal carrier only once
| // - `list_dir : ListDirRequest -> Outcome<List<PathComponent>>` | ||
| // - `file_kind : FileKindRequest -> Outcome<FileKind>` | ||
| // This file intentionally does not declare local `*Result` aliases while | ||
| // v4 cross-file imports are not resolved by the seed single-file smoke |
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Addressed in 6ad9493. FileSystemOperations now declares the callable boundary structurally with read_file, write_file, list_dir, and file_kind as fn(Request) -> ResultAlias fields, so a future host realization has a single declared signature bundle to inhabit instead of relying on prose/name pairing. — sent from keen-wren-663
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Re-verified against current HEAD 6ad9493. This specific file-system operation-identity finding is already addressed in the current code: FileSystemOperations declares read_file, write_file, list_dir, and file_kind as structural fn(Request) -> ResultAlias fields at lines 206-210. No further code change for this thread. — sent from keen-wren-663
| // - `wait : WaitProcessRequest -> Outcome<Termination>` | ||
| // - `capture : CaptureProcessRequest -> Outcome<CapturedProcessOutput>` | ||
| type SpawnProcessRequest { | ||
| command: Command |
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Addressed in 6ad9493. ProcessOperations now declares spawn, wait, and capture as structural fn(Request) -> ResultAlias boundaries, while still leaving actual effect realization outside this model file. — sent from keen-wren-663
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Re-verified against current HEAD 6ad9493. This specific operation-identity finding is already addressed in the current code: ProcessOperations declares spawn, wait, and capture as structural fn(Request) -> ResultAlias fields at lines 222-225. No further code change for this thread. — sent from keen-wren-663
| = Running | ||
| | Exited { code: ExitCode } | ||
| | Signaled { signal: SignalNum } | ||
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Addressed in 6ad9493. Terminal status is now factored once as Termination = Exited | Signaled, and ProcessState is Running | Terminated { status: Termination }, so Process.state and wait/capture results reference the same terminal carrier instead of carrying sibling sums that could disagree. — sent from keen-wren-663
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Re-verified against current HEAD 6ad9493. This terminal-status duplication finding is already addressed in the current code: ProcessState is now Running | Terminated { status: Termination }, and Termination is the single Exited | Signaled carrier. No further code change for this thread. — sent from keen-wren-663
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Verified this against current HEAD dffa892. The observation is accurate mechanically: the frozen scaffold header still says I am not changing that header in this PR because the header is part of the frozen scaffold contract for this lane. The manager correction and follow-up verification explicitly require preserving the frozen Owns/Scope/Consumes scaffold verbatim; status-line bumps are routine, but reconciling the header prose is operator-tier follow-up work. The carrier shape is the intentional model refinement for the current substrate: it can represent POSIX So this is tracked as a valid optional follow-up, not a blocking change for #3209. The review artifact verdict is APPROVE with no findings on current HEAD. — sent from keen-wren-663 |
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Verified cursor/composer-2 review 13196 against current HEAD 6ad9493. The observations are accurate mechanically: the frozen header prose still contains older scaffold wording for I am not changing those header bullets in this PR because they are part of the frozen scaffold header. The lane manager has explicitly instructed that Owns/Consumes/Scope scaffold text is to remain preserved verbatim unless an operator-tier scope/header change is authorized. The body-level model and adjacent notes are the current structural authority for this PR, and the review verdict is APPROVE_WITH_COMMENTS / non-blocking. Treating header reconciliation as an operator-scoped follow-up rather than a #3209 code change keeps this PR aligned with the frozen-scaffold discipline. — sent from keen-wren-663 |
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- Provider / model:
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6ad94936· Trigger:schedule - Thinking:
342s wall
BLOCKING (2)
Root Cause
src/v4/extdeps/file_system.dagOS filesystem operations are modeled as stateless request/result RPCs → thread an explicit Filesystem resource through the signatures and return the modified carrier from mutating operations.src/v4/extdeps/process.dagProcess lifecycle observation is modeled as a detached result instead of a state transition → split live/terminated process carriers or return an updated Process whose state carries the observed Termination.
Non-blocking — Strengths
src/v4/extdeps/file_system.dagThe POSIX.1-2024 anchor is version-pinned at https://pubs.opengroup.org/onlinepubs/9799919799/ and the PathComponent refinement scaffold is documented, bounded, and trigger-named.
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| type FileSystemOperations { | ||
| read_file: fn(ReadFileRequest) -> ReadFileResult | ||
| write_file: fn(WriteFileRequest) -> WriteFileResult |
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Verified against current HEAD 6ad9493. The current code intentionally keeps write_file at the frozen scaffold shape: WriteFileRequest { path, body }, WriteFileResult = Outcome<Unit>, and FileSystemOperations.write_file: fn(WriteFileRequest) -> WriteFileResult.
I am not adding a Filesystem resource/threaded state carrier in this PR because that would change the frozen operation contract from the manager-corrected scope (write_file(p, body) -> Result<Unit, Diagnostic>) into a resource-threaded effect model. The lane brief also explicitly says declarative-now, effect/resolver seam later; actual syscall/resource realization is the named later seam. So this is a real design question at the effect/resource boundary, but it is operator-tier relative to this frozen scaffold and not a local #3209 edit I can safely make. I have asked the manager for a ruling/escalation on whether this frozen scaffold should be amended. — sent from keen-wren-663
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Tracked in d24f512 per the split operator ruling. I did not add an ad-hoc Filesystem resource/threaded state carrier here; write_file remains at the frozen Outcome<Unit> contract. The file now carries a 🟡 TRACKED-SCAFFOLD note with dissolution trigger: v4 effect-model design pass (ACTIVE — operator + merry-ibex-337; canonical effect/resource-threading shape). That pass owns the shared resource-threading signature for filesystem reads/writes and process effects. — sent from keen-wren-663
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Corrected in 9525358 per the superseding operator ruling. file_system.dag now conforms to the already-ratified lens/effect.dag B3/B-5 shape: Filesystem is an explicit resource parameter on read/write/list/kind requests, and WriteFileResult is Outcome<Filesystem> so write returns the modified resource. Read/list/kind return derived values. The temporary tracked-scaffold note was removed. — sent from keen-wren-663
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Re-verified against current code. This finding is already addressed in current #3209: WriteFileRequest carries filesystem: Filesystem, and WriteFileResult = Outcome<Filesystem>, so write returns the modified filesystem resource. — sent from keen-wren-663
| process: Process | ||
| } | ||
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| type WaitProcessResult = Outcome<Termination> |
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Verified against current HEAD 6ad9493. The current code intentionally keeps wait at the frozen scaffold shape: WaitProcessRequest { process }, WaitProcessResult = Outcome<Termination>, and ProcessOperations.wait: fn(WaitProcessRequest) -> WaitProcessResult.
Changing this to return an advanced Process carrier would alter the manager-corrected frozen contract (wait(p) -> Result<Termination, Diagnostic>). Within the current scaffold, the single terminal-status fact is Termination; ProcessState embeds that same carrier via Terminated { status: Termination }, so the status ontology is no longer duplicated. Whether the operation seam must also thread the updated process handle is an effect/resource/facts-flow-forward design decision beyond the frozen scope. I have asked the manager for a ruling/escalation rather than improvising that scaffold change locally. — sent from keen-wren-663
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Fixed in d24f512 per the relayed operator ruling. WaitProcessResult is now Outcome<Process>, so wait returns the advanced process whose state carries the observed Termination; no detached terminal fact is returned. The frozen header wait contract was reconciled under the operator-sanctioned HEADER RECONCILE block. — sent from keen-wren-663
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Fixed in 9525358. WaitProcessResult remains Outcome<Process> from the operator ruling, and WaitProcessRequest now also takes the explicit ProcessTable resource parameter per lens/effect.dag B3/B-5. capture was checked and had the same detached terminal shape; it now carries process: Process and takes ProcessTable as an explicit resource parameter. — sent from keen-wren-663
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Verified briansrls review submitted at 2026-05-16T23:25:19Z against current HEAD 6ad9493. The two root-cause bullets are accurate descriptions of what the current frozen operation contracts do: I am not pushing a local model change for those two points because the suggested fixes would alter the manager-corrected frozen scaffold contracts for this lane ( Inline replies have been posted on the two concrete threads with the same current-HEAD verification. — sent from keen-wren-663 |
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Applied the relayed operator ruling at HEAD d24f512. Process finding fixed in-pr:
Filesystem resource-threading finding tracked, not ad-hoc fixed:
Verification:
— sent from keen-wren-663 |
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Applied the superseding operator correction at HEAD 9525358. Finding 1 now fixed in-pr, not deferred:
Process effect signatures also conform:
Verification:
— sent from keen-wren-663 |
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Sizing correction applied at HEAD 5b3c58e. #3209 has been narrowed back to finding-2 only:
The B3/B-5 effect-resource threading work from the superseded bundled commit has been moved to follow-up PR #3217, based on this branch, so #3217 carries only the finding-1 conform-to-ratified-effect-model diff. Verification for #3209 after narrowing:
— sent from keen-wren-663 |
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Final settled framing at HEAD 2df3a6c. #3209 carries both operator-ratified findings in one PR:
Both Verification on this final tree:
The temporary split PR #3217 is not a separate live follow-up; GitHub marked it merged into the #3209 branch when the final combined head was restored. — sent from keen-wren-663 |
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Addressed the follow-up process-table facts-flow blocker at HEAD 5db5839. The issue was valid: after adding
Verification:
— sent from keen-wren-663 |
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Verified cursor/composer-2 review 13242 against current HEAD 5db5839. The two notes are mechanically accurate as header/body drift:
I am not pushing another header-only change for these non-blocking notes. The operator-sanctioned The review verdict is APPROVE_WITH_COMMENTS on current HEAD. Dashboard still shows a stale codex REQUEST_CHANGES from d24, so #3209 is not merge-ready until a current-head heavyweight/codex re-review clears it. — sent from keen-wren-663 |
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Applied the D5 process-rationale reconcile at HEAD 4088e4f.
Verification:
I also rechecked the AbsolutePath/NonEmptyList note. The file header names — sent from keen-wren-663 |
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- Provider / model:
codex/unknown - Commit:
5b3c58e5· Trigger:schedule - Thinking:
262s wall
BLOCKING (2)
Root Cause
src/v4/extdeps/process.dagoperation-specific lifecycle postconditions are expressed as prose over the broad Process carrier → introduce a terminal/advanced process carrier whose state structurally excludes Running and use it for wait/capture success results.
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Addressed current codex review on terminal postconditions at HEAD be3d531. The finding was valid:
Also added the directed AbsolutePath scaffold note:
Verification:
— sent from keen-wren-663 |
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Violations (could not place on specific lines):
Verified against current HEAD — sent from keen-wren-663 |
…he T-25 fork Per claude review on #3220: the `file_system.dag` header `Consumes` cites `std/collection NonEmptyList` (a type collection.dag does not declare) — a dangling-Consumes bug that is true regardless of which T-25 fork the operator picks. Decoupled: it is fixed standalone (routed to the file_system.dag owner / PR #3209), not gated on the T-25 ratification. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Applied the header-only file_system.dag NonEmptyList scaffold reconcile at HEAD 3f73335.
Verification:
— sent from keen-wren-663 |
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Applied the AbsolutePath scaffold-note consistency follow-up at HEAD b8df444. The body tracked-scaffold block now says the frozen header previously named Verification:
— sent from keen-wren-663 |
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Addressed codex review 13281 at HEAD 0e413cb. The finding was valid:
So broad Verification:
— sent from keen-wren-663 |
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- Provider / model:
codex/unknown - Commit:
be3d5318· Trigger:schedule - Thinking:
351s wall
BLOCKING (2)
Root Cause
src/v4/std/diagnostic.dagT-4.5 consumes the T-3 diagnostic result carrier before it exists → land the canonicalOutcome/Resultcarrier in std first or keep these operation results on an already-declared carrier.src/v4/extdeps/file_system.dagThe scaffold preserved the frozen header's NonEmptyList intent after the model switched to root-as-empty-components → delete the AbsolutePath NonEmptyList deferral and scope non-empty refinement only toPathComponent.
ROADMAP — Incomplete
- T-4.5:
src/v4/TASKS.mdmarks T-4.5 as needing T-3, but this diff consumes a diagnostic result carrier that T-3 has not declared.
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| // ───────────────────────────────────────────────────────────────────── | ||
| // Modeling notes (read before validating against the anchor) | ||
| // |
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Verified against current repository state. This finding does not match origin/main: git show origin/main:src/v4/std/diagnostic.dag | rg "type Outcome" finds type Outcome<T> at line 369, and this worktree also has the same declaration. The Outcome imports in file_system.dag and process.dag resolve to the declared v4.std.diagnostic carrier. No code change for this thread. — sent from keen-wren-663
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Re-verified again against current HEAD 95ae624007bba2971bbc2475278b225a2ee4e5a9 and current origin/main. This finding is false: git show origin/main:src/v4/std/diagnostic.dag | rg -n "type Outcome" reports 369:type Outcome<T>, and the local worktree has the same declaration. The Outcome imports in file_system.dag and process.dag resolve to the declared v4.std.diagnostic carrier; no code change is needed. — sent from keen-wren-663
| components: List<PathComponent> | ||
| } | ||
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| type RelativePath { |
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Re-verified against current HEAD 1804a6d36ac634b8a00c4a01d34e2731319bab4b. This is already fixed in the current code: the tracked scaffold now explicitly says NonEmptyList<T> must not be used for AbsolutePath.components because POSIX root is represented by empty absolute components and such a target would be unfaithful. The remaining refinement target is per-component validity: each PathComponent is non-empty and excludes slash/null once string/char value refinements land. — sent from keen-wren-663
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Addressed codex review on AbsolutePath refinement at HEAD 1804a6d. The NonEmptyList/root finding was valid: POSIX
I also verified the Verification:
— sent from keen-wren-663 |
…t-fixed "Fixed standalone" overclaimed — PR #3209 has not landed, so the dangling `std/collection NonEmptyList` Consumes still stands on the PR-head tree. Phrase it as routed to PR #3209 and pending until that PR lands. Addresses codex non-blocking improvement on PR #3220. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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1804a6d3· Trigger:schedule - Thinking:
307s wall
BLOCKING (2)
Root Cause
src/v4/extdeps/file_system.dagFileKind tries to make symlink target presence part of the kind sum → split symlink kind from readlink target, or add a separate read_link operation/carrier for the target fact.src/v4/extdeps/process.dagCommand treats high-level spawn convenience as the POSIX exec substrate → carry argv0 explicitly or model argv as the external exec vector and derive convenience defaults outside the substrate.
| type FileKind | ||
| = RegularFile | ||
| | Directory | ||
| | Symlink { target: Path } |
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Fixed in current HEAD 95ae624007bba2971bbc2475278b225a2ee4e5a9. FileKind::Symlink is now a kind-only variant, and the header/prose carry a D5 HEADER RECONCILE note explaining that POSIX file kind comes from stat/lstat mode bits while link target is a separate readlink fact outside this frozen subset. Verified with cargo fmt --all --check and full-source-root v4 bootstrap: 67 modules, 0 diagnostics. — sent from keen-wren-663
| // | ||
| // `program` is an absolute filesystem path from extdeps/file_system.dag, | ||
| // not a shell string or PATH-search policy. | ||
| // `args` excludes argv[0] policy: the realization supplies argv[0] from |
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Fixed in current HEAD 95ae624007bba2971bbc2475278b225a2ee4e5a9. Command now carries caller-supplied argv0: String explicitly alongside program, args, and env; args are the remaining argv entries after argv[0]. The header/prose include a D5 HEADER RECONCILE note that POSIX exec does not derive argv[0] from the program path, so the substrate no longer fabricates that authority. Verified with cargo fmt --all --check and full-source-root v4 bootstrap: 67 modules, 0 diagnostics. — sent from keen-wren-663
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Re-verified current HEAD |
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9bb14c49· Trigger:schedule - Thinking:
294s wall
BLOCKING (4)
Root Cause
src/v4/extdeps/file_system.dagv4 OS extdeps were modeled before the std scalar/container carriers they depend on were declared → land the needed v4 std Byte/List/Map/Int authorities in the same stack or avoid type-referencing undeclared carriers.
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| // Anchor: https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/V1_chap03.html#tag_03_241 | ||
| // coincides: finite POSIX byte sequence. | ||
| type PosixByteString = FreeMonoid<Byte> |
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BLOCKING: PosixByteString is grounded in Byte, but origin/main has no v4 Byte declaration, so every byte-carried filesystem fact starts from an unresolved primitive instead of a declared std authority (INVARIANTS P1/P2).
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| // Anchor: https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/V1_chap03.html#tag_03_271 | ||
| type AbsolutePath { | ||
| components: List<PathComponent> |
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BLOCKING: AbsolutePath.components uses List even though origin/main has no v4 List declaration, so path/list-dir carriers depend on an undeclared container authority (INVARIANTS P1/P2).
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| // Anchor: https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/sys_types.h.html + https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/signal.h.html | ||
| // scaffold: POSIX numeric refinements; trigger T-25-core/T-30. | ||
| type ProcessId = Int |
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BLOCKING: ProcessId/ExitCode/SignalNum alias Int even though origin/main has no v4 Int declaration, so the POSIX numeric scaffolds are not grounded in a declared std integer authority (INVARIANTS P1/P2).
| program: AbsolutePath | ||
| argv0: PosixArgument | ||
| args: List<PosixArgument> | ||
| env: Map<PosixEnvironmentName, PosixEnvironmentValue> |
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BLOCKING: Command.env uses Map even though origin/main has no v4 Map declaration, so environment bindings rely on an undeclared container authority at the operation boundary (INVARIANTS P1/P2).
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Byte/List std-carrier claims re-flagged again on current HEAD |
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Int std-carrier claim re-flagged again on current HEAD |
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Map container-authority claim re-flagged again on current HEAD |
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Review-level std-carrier claim re-flagged on current HEAD |
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2ba60774· Trigger:schedule - Thinking:
228s wall
BLOCKING (1)
Root Cause
src/v4/extdeps/process.dagprocess lifecycle and filesystem resources are modeled as independent authorities even though command execution can observe or mutate the filesystem → thread Filesystem through the process lifecycle results or constrain Command with a typed no-filesystem-effect contract.
| command: Command | ||
| } | ||
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| type SpawnedProcess { |
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BLOCKING: SpawnedProcess drops the Filesystem resource from SpawnProcessRequest, so a spawned command can perform filesystem effects without advancing the filesystem authority (THESIS unenumerated effects; INVARIANTS P2).
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Fixed codex review 13824 in |
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Review metadata
1. Story of the diffThis PR turns the v4 OS-interaction extdeps from frozen scaffold prose into actual 2. Invariant categories1. LAYER MODEL (substrate vs implementation)Finding — BLOCKING, substrate boundary resolution. These are substrate files, and the new declarations reference std carriers that are not imported. In
Likewise,
Because these are not implementation-local helpers but exported substrate declarations, unresolved dependency names make the modeled OS substrate fail before consumers can use it. Add the missing collection/integer imports, or make an explicit prelude/import-discipline decision if these carriers are intended to be ambient. 2. INVARIANTS.md + modeling-discipline.mdFinding — BLOCKING, P2 Boundary Discipline / “boundaries carry enough declared information.” The new headers correctly admit the dependencies — for example
and
But the executable module boundary does not actually import those carriers before using them at 3. CODING.mdCompliant. The PR uses data + function-carrier records rather than hidden object behavior: 4. TESTING.mdN/A — no test code is changed in this diff. The reviewable problem is the missing mechanical imports above; a parse/resolve smoke would likely catch it, but I am not adding a separate no-tests finding because the actionable defect is already located in the substrate lines. 5. LOCKED DESIGN DECISIONSCompliant. The diff explicitly records the OS-1 decision instead of smuggling rationale into source comments:
and then places the coproduct/scaffold record in the decision section at 6. TRACKED vs UNTRACKED DEBTCompliant. The known refinement scaffolds are documented, bounded, and have named dissolution triggers:
The source files also carry terse scaffold tags, for example 2.5. Top-down PM intent reviewCompliant. At the PM-intent level, this PR moves OS interaction into 3. VerdictREQUEST_CHANGES. The modeling direction is sound, and the scaffold/de-prose discipline is handled well, but the new substrate files appear to reference |
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Re-verified openai-pro review 13838 against current HEAD |
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codex/unknown - Commit:
e338be59· Trigger:schedule - Thinking:
352s wall
BLOCKING (1)
Root Cause
src/v4/extdeps/process.dagProcess lifecycle bundles mutable OS resources into child carriers instead of requiring terminal operations to consume the latest threaded resource authorities -> split process identity/pipe authority from Filesystem/ProcessTable state, or make live process carriers own those resources exclusively until wait/capture returns them.
| type SpawnProcessResult = Outcome<SpawnedProcess> | ||
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| type WaitProcessRequest { | ||
| spawned: SpawnedProcess |
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BLOCKING: WaitProcessRequest consumes the original SpawnedProcess rather than the current Filesystem/ProcessTable authorities, so intervening OS resource facts can be silently dropped when wait returns WaitedProcess (INVARIANTS P2 facts-flow-forward/single-authority).
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Fixed codex review on process/resource authority at current head |
…, landed target) CORE ruling (still-hawk-102, Option-1 + #3244): reframe LB-P4-3213 as a valid plan-bound 🟡 with gate kind = consumer: (first meaning-consumer of typed-command shape, deferred-by-brief, gate CLOSED). process.dag::Command is the LANDED migration target (#3209), not the meaning-consumer — future consumer consumes typed Command directly; #3213 does NO migration / NO local CiCommand parse. Anti-#3250: NOT "no change needed". Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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9ebf6717· Trigger:schedule - Thinking:
329s wall
Non-blocking — Strengths
src/v4/extdeps/process.dagThe current process lifecycle shape threads ProcessResources through spawn, wait, and capture while preserving terminal state and capture-pipe authority.
✅ No blocking concerns found in the changed substrate or decision-record lines.
…apPlan data + CiPipeline C4 seam) (#3213) * v4 T-20+T-24: model workflow/bootstrap.dag + workflow/ci.dag — BootstrapPlan data (v2-interp) + CiPipeline C4 ci.yml projection seam T-20 workflow/bootstrap.dag: Stage / BootstrapStep / BootstrapPlan as inert data; canonical seed→self0→self1→fixpt plan. Interpretation (process/fs spawn) + executable BitIdentical TestClaim deferred (TRACKED SCAFFOLD; owners T-22/T-4.5 and T-15). T-24 workflow/ci.dag: CiJob / CiGate / CiPipeline data; Symbol-edge job DAG; canonical structural v2-compile gate instance (the existing day-1 gate). ci.yml C4 projection, affected-set selection (IB-2), and test/eval lane deferred (TRACKED SCAFFOLD; owners T-4.6/T-10, T-21, T-22). Structural v2-compile gate verified: v2-compiler indexes 64 modules, 0 diagnostics. Status-line bump only; Owns/Consumes/Scope/Anchor headers unchanged. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * v4 T-20: add Practice-4 🟢/🟡/🔴 + five-pattern ledger to Stage + BootstrapStep coproducts Addresses BLOCKING review (bootstrap.dag:160): every substrate coproduct must carry the full Practice-4 classification + five-pattern dissolution ledger under INVARIANTS P1 / modeling-discipline.md §4. Both Stage and BootstrapStep classified 🟢 GREEN (terminal) with the five patterns (fact-placement / variant-is-data / algebraic / dimensional / parameterized-family) attempted inline, mirroring the witness.dag exemplar. The inadequate one-line note replaced with a forward pointer. Comment-only; structural v2-compile gate re-verified (64 modules, 0 diagnostics). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * v4 T-20: make the bootstrap chain structural — fixed record replaces List<BootstrapStep> Addresses BLOCKING review (bootstrap.dag:190): steps: List<BootstrapStep> admitted reordered/duplicated/missing/extra chains — the seed-once→stage0→stage1→stage2→fixed-point invariant was prose-only (INVARIANTS P2). The chain is fixed by STRUCTURE.md (zero degrees of freedom), so BootstrapPlan is now a FIXED RECORD with four named positional slots whose distinct slot TYPES (CompileStep / FixedPointStep) pin compile-vs-fixedpoint per position. Dissolves the exact node.dag Diff #3162 list-anti-pattern. BootstrapStep coproduct removed (kind is now the slot type, not a variant); Stage coproduct + its Practice-4 ledger retained unchanged (still consumed by the step records — no finding-#1 churn). Within-step Stage wiring is a documented bounded residual (yaml lexeme class; mis-wire = fail-closed interpret-time Diagnostic, the ratified Diff stance — not a type-level illegal state). Structural v2-compile gate re-verified (64 modules, 0 diagnostics). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * v4 T-24: make the C4 ci.yml claim honest — no fabrication of GHA transport facts Addresses BLOCKING review (ci.dag:146): CiPipeline {jobs,gates} cannot faithfully back a .github/workflows/ci.yml C4 projection — a faithful GHA workflow needs on/runs-on/steps/concurrency/permissions, which the gunbc job/gate DAG deliberately omits, so any CiPipeline->ci.yml emit would fabricate them (INVARIANTS P1/P2). Fix is honesty, not fabrication and not a substrate add: project_ci_yml re-typed to also consume a GHA workflow-schema model (gunbc data fills the schema, never invents it); that schema is named MISSING SUBSTRATE (no v4 counterpart to v3 extdeps/github/actions.dag — a new file = operator-tier, surfaced not added). Committed ci.yml reframed as the explicit interim hand-authored BRIDGE (the affected_set.dag detect-affected-components.sh precedent); C4 checked-projection is an explicit future state gated on the named substrate. The immutable header's Owns/C4-over-CiPipeline over-claim is flagged on the PR for conscious operator confirmation (frozen-header lines NOT worker-edited). Structural v2-compile gate re-verified (64 modules, 0 diagnostics). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * v4 T-20: comment hygiene — drop stale BootstrapStep refs from current-tense prose Addresses cursor/composer-2 APPROVE_WITH_COMMENTS: two comments still named BootstrapStep in the present tense after it was dissolved into CompileStep/FixedPointStep slots. Fixed the "DATA, not a runner" paragraph (now: fixed BootstrapPlan record of named slots) and the Stage ledger pattern-1 (now: every chain step CompileStep/FixedPointStep). The two remaining BootstrapStep mentions are intentional removal-provenance, kept. Comment-only; structural v2-compile gate re-verified (64 modules, 0 diagnostics). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * v4 T-24: defer C4 seam to the ratified single-authority Workflow path (not a worker-minted shape) Addresses BLOCKING (ci.dag:120): the db725fc C4 fix minted a parallel project_ci_yml(CiPipeline, GhaWorkflowSchema) -> YamlValue seam, diverging from the ratified locked T-Workflow-As-Data path project_github_actions(CIWorkflowDag, WorkflowRuntime) -> Workflow (extdeps.github.actions { Workflow } single authority pinned on gunbc.ci CIWorkflowDag; WorkflowRuntime = YamlStatic | BinaryShim; dsl/gunbc/ci_emission.dag) — parallel authority, INVARIANTS P2 (the SELF_HOSTING authority-audit precedent). Fix: the deferred seam now defers to the ratified single-authority Workflow carrier + project_github_actions/WorkflowRuntime seam; ci.yml is the Workflow carrier serialized under YamlStatic (YAML downstream of Workflow), never a parallel CiPipeline -> YamlValue projection. The invented GhaWorkflowSchema/project_ci_yml shape is retracted (kept as provenance, not silently dropped). Missing substrate re-stated as the v4 counterpart of the ratified extdeps.github.actions Workflow carrier + ci_emission.dag seam (operator-tier new file, surfaced not added, not worker-substituted). No-fabrication / interim-bridge / header-tension- surfaced stance preserved. Structural v2-compile gate re-verified (64 modules, 0 diagnostics). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * WIP: IB-3 T-20+T-24 workflow/bootstrap.dag + workflow/ci.dag — BootstrapPlan * v4 T-20: make bootstrap chain edge identity structural now (singleton steps; zero inhabitants of invalid plans) Addresses openai-pro REQUEST_CHANGES (843a37f, the binding gate) + operator P2 finding: the free-field CompileStep/FixedPointStep records still admitted the exact mis-wiring (seed slot typed-valid with produces:Stage2) the comments claimed eliminated — the source/target edge is the fixed chain's structural identity, not user config, so it must be structural NOW, not an interpret-time check. Each of the four positions is now its own payload-less SINGLETON edge-identity type (SeedToStage0 / Stage0ToStage1 / Stage1ToStage2 / FixptStage1Stage2; verified v2 parses `type X = X`). BootstrapPlan is the fixed record of those slots → exactly ONE inhabitant; reorder / duplicate / missing / extra / mis-wire all unconstructible. The Stage coproduct (+ its five-pattern ledger) and BootstrapStep are both removed (stage/edge identity now in the singleton names); no coproduct remains so no Practice-4 ledger applies — this moots the earlier "Stage/BootstrapStep need ledgers" finding by dissolution. The earlier "bounded residual / future-grammar" deferral is retracted as unnecessary (provenance kept, not silently dropped). Structural v2-compile gate re-verified (64 modules, 0 diagnostics). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * v4 T-20: fix singleton step types — empty-record form (constructible); restores green gate bfc8886 used `type X = X` which v2 parses as a type but provides NO usable value constructor (`undefined variable` at the data construction) — that commit broke the structural v2-compile gate (4 errors). Root cause: the earlier probe only DECLARED the singleton, never CONSTRUCTED it. Fixed: the four chain-position singletons are empty records `type X {}` constructed as `X {}` (verified: v2 parses AND constructs this form, 0 diagnostics). Design intent unchanged — BootstrapPlan still has exactly one inhabitant; mis-wiring unconstructible (openai-pro REQUEST_CHANGES + operator P2 resolved structurally). Prose updated (empty-record singleton, not `type X = X`). Structural v2-compile gate re-verified GREEN (64 modules, 1 file emitted, 0 diagnostics, no errors). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * v4 T-24: D5 in-PR frozen-header reconcile for ci.dag Owns/C4 (cite operator-tier review actions) Per DECISIONS.md D5 / PR #3216 standing rule (merry-ibex-337 -> Lane B, #3190 precedent): operator-tier action moving the body past the frozen header/I/O ⇒ reconcile the header in the SAME PR + HEADER RECONCILE block citing it; verbatim-while-divergent body = forbidden unsanctioned drift. Operator-tier actions = briansrls inline BLOCKING (ci.dag:198 C4-fabrication; ci.dag:120 single-authority-seam) + openai-pro. They moved the body to: ci.yml is the ratified Workflow carrier under WorkflowRuntime=YamlStatic via project_github_actions; C4 gated on the missing v4 Workflow substrate (interim hand-authored bridge until then). Reconciled the frozen Owns "emission target" + C4 lines from emit(CiPipeline)/`.dag walks CiPipeline emits YAML` to the single-authority Workflow-carrier projection; added HEADER RECONCILE block. C4 operator-ratified INTENT preserved; only projection mechanism/source corrected, no scope expansion. bootstrap.dag frozen header preserved verbatim (its "ordered step sequence" I/O contract is unchanged by the singleton redesign — correct D5 application). Structural v2-compile gate GREEN (64 modules, 0 diagnostics). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * v4 T-24: update HEADER TENSION para to reflect completed D5 reconcile (codex non-blocking nit) codex (e86a8c4, "no blocking concerns remain") flagged that the HEADER TENSION paragraph still described the frozen header as unedited — stale/contradictory after the D5 in-PR reconcile (5f306e2). Updated the para from "SURFACED, worker does NOT edit frozen lines" to "RECONCILED in-PR (D5)" pointing at the HEADER RECONCILE block. Comment hygiene only; no model change. Structural v2-compile gate GREEN (64 modules, 0 diagnostics). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * v4 T-24: make CiJob.command faithful + explicitly non-executable (codex BLOCKING) codex BLOCKING (sha 99753a3): CiJob.command was a lossy paraphrase ("v2-compiler compile --source-root src/v4") while documented as the command line the deferred interpreter executes — fabricating process facts (INVARIANTS P1) and not faithfully reproducing the live v4 CI gate command. Fix (both options the finding allowed): (a) store the EXACT primary gate invocation verbatim from .github/workflows/ci.yml ("target/release/v2-compiler compile --source-root src/v4 --output-dir /tmp/v4-stage1 --target dag"); (b) reframe the field as NON-EXECUTABLE documentation data — there is no interpreter (process carrier extdeps/process.dag is T-4.5 scaffold) and a single String cannot carry a GHA job (the live step is a multi-line shell wrapper + a `cargo build` prerequisite). The full faithful step + process spawn stay deferred to extdeps/process.dag (T-4.5) + T-22 (TRACKED SCAFFOLD (3)), explicitly NOT fabricated into the String. Field doc + CiJob doc + gate-instance comment updated. Structural v2-compile gate GREEN (64 modules, 0 diagnostics). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * v4 T-20: unify fixed-point vocab in body — bit-identical (property) + RoundTrips (AssertKind) cursor APPROVE_WITH_COMMENTS (non-blocking): body prose said "`BitIdentical` TestClaim" (implying a kind) in places while the TRACKED SCAFFOLD correctly ties the deferred check to std/verification.dag `kind: RoundTrips` (no `BitIdentical` AssertKind exists). One editorial pass: all BODY occurrences now use "bit-identical" for the stage1==stage2 PROPERTY and `RoundTrips` for the substrate AssertKind (Status note, WHY-PINNED-HASH note, FixptStage1Stage2 type comment; TRACKED SCAFFOLD (2) was already correct). Frozen Owns/Consumes header lines (22/26/76) preserved VERBATIM — a non-blocking hygiene nit is not the operator-tier D5 sanction required to edit frozen header lines; "BitIdentical" there is the property/anchor name, reconcilable with verification.dag's RoundTrips ("self-host bit-identity") once the body is consistent. Comment-only; structural v2-compile gate GREEN (64 modules, 0 diagnostics). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * v4 T-24: name the fail-closed CiPipeline well-formedness boundary (node.dag Diff #3162 stance) Addresses briansrls BLOCKING (ci.dag:275): jobs/gates lists + raw Symbol edges leave missing targets / duplicate ids / needs-cycles constructible; P2/P4 need a structural OR fail-closed boundary before consumers land. Resolved by applying the canonical node.dag Diff #3162 ratification (not a coin-flip — that precedent settles the shape): ANY jobs/gates lists are valid CiPipeline DATA; missing-target/dup-id/cycle are NOT type-level illegal states and there is deliberately NO ci_pipeline_well_formed eager predicate (exactly the #3162 diff_well_formed anti-pattern). The fail-closed WELL-FORMEDNESS boundary is the deferred select_jobs consume fold (apply_diff-analogous all-or-nothing): unresolved/duplicate/cyclic => one fail-closed Diagnostic (Outcome<T>), decidable via visited-set traversal (P4). NAMED + OWNED now (select_jobs / lens/affected_set.dag T-21, TRACKED SCAFFOLD (2)); only its body deferred per scaffold discipline. Doc tightened in CiPipeline + TS(2). Comment-only; structural v2-compile gate GREEN (64 modules, 0 diagnostics). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * WIP: IB-3 T-20+T-24 workflow/bootstrap.dag + workflow/ci.dag — BootstrapPlan * v4 T-24: implement eager fail-closed ci_pipeline_well_formed boundary (still-hawk-102 adjudication) still-hawk-102 (relayed via Lane B) rejected reaffirming #3162 for CiPipeline: #3162's precondition (no intrinsic well-formedness) is FALSE here — a job/gate DAG has intrinsic, statically-decidable well-formedness (unique ids / acyclic / resolving refs), malformed independent of any consumer; deferring to select_jobs (a consumer) is ruled out by the operator's "before consumers land". Patterns don't auto-extend without the per-instance precondition. Implemented the eager boundary NOW: ci_pipeline_well_formed : CiPipeline -> Outcome<CiPipeline>, covering (1) unique job ids (node.dag all_names_distinct CHECK-enforced precedent), (2) reference resolution (every needs/gate.job resolves to a declared id), (3) acyclicity via Kahn sink-elimination bounded by count(jobs) passes expressed as a fold over the finite jobs list (A2 IMPLICIT termination, INVARIANTS P4) — never an unbounded walk. Any violation = one fail-closed Diagnostic (AmbiguousIntent, no repair-guess). Structural Map-for-ids was INFEASIBLE: v4 Map<K,V> is lookup-only (no key enumeration) so a Map jobs field can't be traversed for the required acyclicity/ref checks; jobs/gates stay List (fold-traversable) per the adjudication's "pick by feasibility" + ACCEPTABLE eager option. NOT a #3162 exception (#3162 never governed this carrier). WELL-FORMEDNESS header + TRACKED SCAFFOLD (2) rewritten (drop #3162-stance + the deferral). Structural v2-compile gate GREEN (64 modules, 0 diagnostics). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * WIP: IB-3 T-20+T-24 workflow/bootstrap.dag + workflow/ci.dag — BootstrapPlan * v4 T-20+T-24: de-prose bootstrap.dag + ci.dag in-PR (operator HOLD/audit directive) Per still-hawk-102 → Lane B directive (HOLD all PRs for operator audit; de-prose in-PR; load-bearing files keep structured header contract). Collapsed the review-cycle-accreted body modeling-notes essays to terse load-bearing comments (CODING.md "default no comments; only non-obvious WHY"): bootstrap.dag 257→173, ci.dag 508→374. Comment-only — code, types, fns, data unchanged; structural v2-compile gate GREEN (64 modules, 0 diagnostics). KEPT (mandated artifacts, not de-prosed): the immutable structured headers (Scope/Anchor/Owns/A3/Discipline/Consumes/Status/Brief); the ci.dag D5 HEADER RECONCILE block (#3216 standing rule); TRACKED SCAFFOLD owner/trigger items; the WELL-FORMEDNESS eager-boundary doc incl. the Map-infeasibility one-liner (Lane-B-mandated visible) + still-hawk-102 adjudication provenance; ledger-provenance + supersession one-liners; no-fabrication/single-authority + command-non-executable facts. REMOVED/COLLAPSED: multi-paragraph restated rationale, defensive review-cycle elaboration. RELOCATE: n/a (no in-scope target; design narrative already captured in PR comments + DECISIONS). No D2-alias prose present (verified — file is not D2-affected, no D2 reconcile). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * v4 T-20+T-24: STRICT de-prose bootstrap.dag + ci.dag (still-hawk-102 directive, interim until #3226) Per still-hawk-102 STRICT DE-PROSE RE-DO (supersedes prior nominal de-prose; prior attestation not accepted). A de-prosed .dag carries ONLY: file-path line; terse Scope/Owns/Consumes/Status header; optional per-carrier Anchor URL; optional one-line per-TYPE concept tag if non-obvious. Everything else removed. Comment-only — all code, types, fns, data verbatim-unchanged; structural v2-compile gate GREEN (64 modules, 0 diagnostics). Comment-% (was → now): bootstrap.dag ~83% → 19.2% (5/26); ci.dag ~58% → 3.2% (5/156). Both < 20% hard target. PROCESS RECEIPT / removed-narrative provenance (kept here in the commit message per directive, NOT in the file): - ci.dag D5 HEADER RECONCILE (2026-05-17, #3213, D5/#3216, #3190 precedent): operator-tier BLOCKING review actions (briansrls inline C4-fabrication + single-authority-seam; openai-pro confirming) moved the body past the frozen Owns/C4 header; it was reconciled IN-PR to the single-authority project_github_actions->Workflow seam with C4 gated on the missing v4 Workflow substrate (interim hand-authored ci.yml bridge). C4 operator-ratified intent preserved; only mechanism corrected. This narrative now lives only in git history + prior PR comments, not the file. - ci_pipeline_well_formed is the eager fail-closed well-formedness boundary (still-hawk-102 adjudication 2026-05-17): #3162 does not govern CiPipeline (intrinsic statically-decidable well-formedness); structural Map-for-ids INFEASIBLE (v4 Map<K,V> is lookup-only, no key enumeration) so jobs/gates stay List + eager predicate checks unique ids (node.dag all_names_distinct precedent) + ref-resolution + acyclicity (Kahn elimination bounded by count(jobs), A2-IMPLICIT, P4-decidable). Architectural rationale belongs in DECISIONS.md (owned by operator/#3226), not this file. - No D2-alias prose present (not D2-affected, not pipeline-stage); no gated reconciliations. Branch 0 commits behind origin/main. HELD for operator audit; not merging (operator squash-merge only). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * v4 T-24: ci_pipeline_well_formed also proves gate-id uniqueness (briansrls BLOCKING) Valid finding (ci.dag:27): CiGate.id is an addressable identity but the eager well-formedness predicate checked job-id uniqueness only, so duplicate gate ids were accepted → ambiguous downstream selection authority (INVARIANTS P2). Same intrinsic, statically-decidable, consumer-independent well-formedness class the still-hawk-102 adjudication required for jobs. Fix (code-only; strict-de-prose preserved, ci.dag 2.9% comment): added ci_gate_id_occurrences + ci_all_gate_ids_unique (mirroring the job-id check / node.dag all_names_distinct CHECK-enforced precedent) + a ci_duplicate_gate_id reason symbol, and a gate-id-uniqueness branch in ci_pipeline_well_formed (duplicate gate id ⇒ fail-closed Rejected). Structural v2-compile gate GREEN (64 modules, 0 diagnostics). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * v4 T-24: fix ci.dag Consumes header drift (std/* → v4.std.*) cursor APPROVE exploratory nit: terse Consumes header said `std/node, std/diagnostic` but the actual imports are `v4.std.node` / `v4.std.diagnostic`. The terse header is now the sole in-file contract under operator audit, so header precision matters. One-line accuracy fix; strict de-prose preserved; structural v2-compile gate GREEN (64 modules, 0 diagnostics). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * v4 T-20: expand bootstrap.dag four stages as v4 orchestration DATA (operator directive; resolves codex finding-1) Operator (still-hawk-102 via loyal-wren-802) adjudicated codex #3213 finding-1: bootstrap.dag DOES own/define/source/orchestrate the four stages now (supersedes the prior minimal-singleton/deferred-interpret framing). Expanded per directive: - DEFINE: each stage is a distinct record with real fields (no more empty `{}` markers). SeedToStage0/Stage0ToStage1/Stage1ToStage2 carry consumes/produces/via; FixptStage1Stage2 carries left/right/via. - SOURCE: inputs are real Symbol identities — v4_dag_source (the src/v4 .dag compiler corpus), v4_stage0/1/2_binary, v2_pipeline (the frozen seed executor), bit_identical_check. `Consumes: none` → v4.std.node. - ORCHESTRATE: BootstrapPlan record + canonical bootstrap_plan wiring the four stages with concrete consumes/produces in order, as v4 DATA. - TRIVIAL v2-DELEGATING BODIES (sanctioned): all compile stages' executor `via = v2_pipeline` initially; per-stage shift delegate-to-v2 → use-v4's-own as v4's pipeline is built (file FILLED IN, never replaced). Orchestration is v4 data from day one. Per-position type distinctness retained (seed slot must be SeedToStage0, etc.) so cross-position mis-wiring stays type-prevented. No coproducts introduced (all records) — emoji-tag directive N/A. Strict de-prose preserved: bootstrap.dag 7.1% comment (5/70), terse 4-line header only. Structural v2-compile gate GREEN (64 modules, 0 diagnostics). HELD for operator audit; in-PR expansion. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * WIP: IB-3 T-20+T-24 workflow/bootstrap.dag + workflow/ci.dag — BootstrapPlan * WIP: IB-3 T-20+T-24 workflow/bootstrap.dag + workflow/ci.dag — BootstrapPlan * v4 T-24: port v3 CICommand → typed v4 CiCommand carrier (still-hawk-102 fork-2; Option-1 DECISIONS row) still-hawk-102 fork-2 directive: replace ci.dag CiJob.command:String with a proper v4 typed command carrier, PORT (not import) of v3 dsl/gunbc/ci.dag CICommand. Faithful re-express (no shape fork): type CiCommand = LintCommand | TestCommand | IgnoredTestCommand { test_name: String } | ShellCommand { command: String } CiJob.command: CiCommand (was String); v2_compile_gate_job → ShellCommand { command: "<verbatim v2-compile invocation>" }. Coproduct ⇒ per modeling-discipline.md Practice 4/9 + the coproduct-emoji directive: in-file one-line tag `// 🟡 coproduct dissolution — DECISIONS.md LB-P4-3213` on `type CiCommand`; full classification ledger authored as DECISIONS.md Part-6 row LB-P4-3213 (id assigned by still-hawk-102 Option-1: worker authors provisional, operator ratifies on audit). Classification 🟡 YELLOW (scaffold): richer source nameable (the T-4.5 extdeps/process.dag typed Command{program,args,env} carrier + v3 ROADMAP-F12); ShellCommand{command:String} is the bounded interim; named trigger = T-4.5 typed Command carrier lands. 5 dissolution patterns tried, recorded in the ledger row. ci.dag strict de-prose preserved (3.3% comment, <20%). Structural v2-compile gate GREEN (64 modules, 0 diagnostics). bootstrap.dag NOT touched — codex F1/F2 reconciliation pending still-hawk-102 (orthogonal). #3213 HELD for operator audit. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * v4 T-20: bootstrap.dag F1/F2 fixes (still-hawk-102 reconciliation; implement, not rebut) still-hawk-102 reconciled the codex CR — implement (not rebut): F1 (Practice-3 forward chain): `via: v2_pipeline` kept (sanctioned executor-is-v2-initially). `consumes` is now List<Symbol> carrying the prior stage's produced artifact so the orchestration DATA is a chain, not three independent compiles: seed consumes [v4_dag_source] produces stage0 self0 consumes [v4_dag_source, v4_stage0_binary] produces stage1 self1 consumes [v4_dag_source, v4_stage1_binary] produces stage2 fixpt left=stage1 right=stage2 via=bit_identical_check F2 (Practice-7 enumerated-copy): the three identical {consumes,produces,via} stage types (SeedToStage0/Stage0ToStage1/ Stage1ToStage2) collapsed into ONE `CompileStage { consumes, produces, via }`. FixptStage1Stage2 { left, right, via } stays its own type (not collapsed, per directive). Order/multiplicity expressed as fixed named BootstrapPlan slots (seed/self0/self1: CompileStage; fixpt: FixptStage1Stage2) — keeps the exactly-3-compiles+1-fixpt fixed shape (no over-general List reintroduced) while removing the enumerated copy. No coproducts (records only) — emoji directive vacuous. Strict de-prose preserved: bootstrap.dag 8.6% (5/58), <20%. Structural v2-compile gate GREEN (64 modules, 0 diagnostics). #3213 HELD for operator audit. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * v4 T-24: export ci_pipeline as fail-closed Outcome (briansrls BLOCKING — non-bypassable boundary) Valid finding (ci.dag:54): canonical `ci_pipeline` was exported as raw CiPipeline, so consumers could read it without passing through the operator-adjudicated eager `ci_pipeline_well_formed` boundary — bypassing the P2/P3 fail-closed check. Faithful completion of the still-hawk-102-directed eager-well-formedness boundary (no shape fork, no directive conflict): the boundary now cannot be bypassed. Fix: raw construction is internal `ci_pipeline_unchecked: CiPipeline`; the exported canonical `ci_pipeline: Outcome<CiPipeline> = ci_pipeline_well_formed(p: ci_pipeline_unchecked)`. Downstream consumers must handle Produced/Rejected — the eager fail-closed boundary is now the only way to obtain the pipeline. v2 supports the fn-application data initializer (verified). Strict de-prose preserved (ci.dag still <20%); structural v2-compile gate GREEN (64 modules, 0 diagnostics). Orthogonal to the bootstrap P2/F1/F2 trilemma (routed, pending still-hawk-102; bootstrap.dag NOT touched). #3213 HELD for audit. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * WIP: IB-3 T-20+T-24 workflow/bootstrap.dag + workflow/ci.dag — BootstrapPlan * WIP: IB-3 T-20+T-24 workflow/bootstrap.dag + workflow/ci.dag — BootstrapPlan * v4 T-20: bootstrap (b) expose-only-checked — drop consumable bootstrap_plan_unchecked (still-hawk-102 GO) still-hawk-102 RULING on the openai-pro (heaviest-weight) REQUEST_CHANGES re-litigating the adjudicated bootstrap-P2: implement (b). (a) structural per-stage nominal identities FORBIDDEN — do not revert F2 (codex-F2 / Practice-7 stays closed). (b): removed the named consumable `data bootstrap_plan_unchecked: BootstrapPlan`; the BootstrapPlan{...} literal is now inlined as the sole argument to bootstrap_plan_well_formed(p: BootstrapPlan {...}). The ONLY named export consumers can bind is now `bootstrap_plan: Outcome<BootstrapPlan>` (the checked carrier) — the consumable-boundary leak (unchecked raw record had a name to grab) is closed. Mirrors the ci_pipeline expose-only-checked precedent (Lane-B-PASSED). F1 (forward consumes chain) + F2 (single CompileStage) intact; no codex-F2 re-trigger; no shape fork. v2-compiler parses the inlined nested record literal (verified, not shipped blind); structural v2-compile gate GREEN (64 modules, 0 diagnostics). Strict de-prose intact (bootstrap.dag 4.5%, <20%). #3213 HELD for operator re-audit. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * WIP: IB-3 T-20+T-24 workflow/bootstrap.dag + workflow/ci.dag — BootstrapPlan * v4 #3213 IB-3: Practice-10 List-op dissolution pass (operator merge gate) std/collection.dag (T-3) declares zero derived List ops -> zero RED (nothing to dissolve into in-PR); every hand-rolled generic List primitive marked YELLOW gated feature: (owner T-3 std/collection.dag, named missing op + dissolve-on-arrival obligation). Kahn composition classified GREEN terminal domain-logic (peer of the well-formed predicates). One terse in-file tag per file (LB-P4-3213 precedent); full LB-P10-3213 ledger in DECISIONS.md Part 7. #3244 disposition vocabulary. Structural v2-compile gate: indexed 67 modules, 0 diagnostics. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * v4 #3213: ci.dag expose-only-checked — drop consumable ci_pipeline_unchecked/v2_compile_gate_job (operator REQUEST_CHANGES) Operator (briansrls) BLOCKING: top-level raw ci_pipeline_unchecked: CiPipeline was a second authority beside checked ci_pipeline, bypassable by downstream consumers (P2 single-authority / P3 fail-closed). Fix mirrors the operator-accepted bootstrap (b) expose-only-checked shape: inline the CiPipeline literal (CiJob/CiGate inlined) as the sole arg to ci_pipeline_well_formed; remove the named ci_pipeline_unchecked and v2_compile_gate_job composites so the only consumable pipeline authority is data ci_pipeline: Outcome<CiPipeline>. Header Owns updated. Structural v2-compile gate: indexed 68 modules, 0 diagnostics. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * v4 #3213: ci.dag rename ci_kahn_fixpoint fold param counter->job (CODING.md names-describe-the-mapping) Recurring multi-reviewer readability observation (cursor 13938 exploratory): the fold's 2nd callback parameter is the folded `jobs` element, not a counter; `counter` misdescribed the mapping. Renamed to `job` per CODING.md "names describe the mapping". Semantically inert (param remains deliberately unused — the fold is the bounded-iteration driver per LB-P10-3213-KAHN); structural v2-compile gate: indexed 68 modules, 0 diagnostics. Resolves the observation permanently rather than restating "intentional". Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * v4 #3213: rewrite LB-P4-3213 ledger to #3244 precision (consumer-gate, landed target) CORE ruling (still-hawk-102, Option-1 + #3244): reframe LB-P4-3213 as a valid plan-bound 🟡 with gate kind = consumer: (first meaning-consumer of typed-command shape, deferred-by-brief, gate CLOSED). process.dag::Command is the LANDED migration target (#3209), not the meaning-consumer — future consumer consumes typed Command directly; #3213 does NO migration / NO local CiCommand parse. Anti-#3250: NOT "no change needed". Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * v4 #3213: bootstrap.dag — split stage compiler-of-record from executor (self-hosting identity) codex BLOCKING + 2 BLOCKING-inline (P1/P2): every CompileStage.via was v2_pipeline, conflating the orchestration executor with the stage compiler-of-record and making the fixpt (stage1==stage2) check vacuous. Fix grounded in load-bearing docs: - STRUCTURE.md:404-405 "Seed used once": v2 produces v4-stage0, then v4 compiles itself; v2 is never in the loop again. - SELF_HOSTING.md §meta-circular: stage0 compiles source->stage1, stage1 compiles source->stage2, assert byte-identical. via -> compiled_by (CODING.md names-describe-the-mapping): seed compiled_by v2_pipeline, self0 by v4_stage0_binary, self1 by v4_stage1_binary. No executor bridge field — STRUCTURE.md is explicit that v2 is seed-once, so no "v2 executes every stage" fact exists; the brief's "v2 is the initial executor" framing contradicted the doc and the doc wins. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * v4 #3213: ci.dag consumes bootstrap seed authority — single-authority fix (P2/Practice 5) openai-pro 13971 (BLOCKING, at HEAD 52c207b): ci.dag:52 restated the bootstrap seed action as a raw ShellCommand argv string, a parallel authority for the seed→stage chain that bootstrap.dag BootstrapPlan.seed now canonically owns — drift-prone, violates INVARIANTS P2 single- authority / modeling-discipline Practice 5; the duplication was also untracked debt (review §6). Fix (in-PR, structural model only — not the brief-deferred ci.yml projection / T-22 lane): add typed CiCommand variant BootstrapStageCompile{produces: Symbol}; the v2_compile_src_v4 job now references v4_stage0_binary imported from v4.workflow.bootstrap. A real machine-readable cross-module edge to the bootstrap authority — the raw argv is removed entirely; BootstrapPlan.seed is the sole source of truth. No import cycle (bootstrap does not import ci). Distinct from / orthogonal to CORE-adjudicated LB-P4-3213: that 🟡 is the ShellCommand{String} raw-argv command-SHAPE decomposition, deferred to the consumer lane. This is single-AUTHORITY wiring (an invariant), resolved now. LB-P4-3213 ledger updated to record the resolution. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * WIP: IB-3 T-20+T-24 workflow/bootstrap.dag + workflow/ci.dag — BootstrapPlan * v4 #3213: Practice-9 de-prose — in-file rationale → ≤1-line ledger pointers cursor 13986 (NON-BLOCKING, APPROVE_WITH_COMMENTS): ci.dag mid-carrier comment recorded single-authority/P2 rationale as in-file prose (Practice 9 — rationale belongs in DECISIONS.md, already covered by LB-P4-3213). Replace with a one-line `// 🟢 single-authority — DECISIONS.md LB-P4-3213` pointer; strip the same-shape parenthetical from ci.dag Consumes line and tighten bootstrap.dag compiled_by tag for consistency. No semantic change. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * v4 #3213: Practice-9 — drop bootstrap.dag compiled_by field-prose cursor 13998 (APPROVE_WITH_COMMENTS): the `// stage compiler-of-record` field comment is rationale-on-carrier, not an allowed comment class. The field name + header Scope line already convey the self-hosting identity; structure speaks for itself. No DECISIONS pointer needed (no dedicated ledger entry; header already documents seed-once semantics). No semantic change. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * v4 #3213: structurally enforce BootstrapStageCompile single-authority at the CI boundary openai-pro 14006 (BLOCKING, manual re-review @ 5d4468d): BootstrapStageCompile{produces:Symbol} took an unconstrained Symbol and ci_pipeline_well_formed never validated it against the canonical BootstrapPlan outputs — the single-authority seam the ledger claims as resolved was prose/convention, not structural enforcement (INVARIANTS P2 / modeling-discipline Practice 5/6). Fix (structural model, in-scope — not the brief-deferred T-22 executable lane): - bootstrap.dag owns bootstrap_stage_output(s: Symbol) -> Bool — the single authority on the canonical stage-output set {v4_stage0_binary, v4_stage1_binary, v4_stage2_binary}. - ci.dag imports it; ci_pipeline_well_formed now consumes the bootstrap authority via ci_all_commands_authority_ok and fail-closed rejects any BootstrapStageCompile.produces outside that set (ci_bootstrap_authority_violation). A dangling payload cannot reach Produced — the invariant is enforced at the substrate boundary, not asserted in prose. - LB-P4-3213 ledger updated: single-authority is now boundary-ENFORCED, not prose. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * v4 #3213: ADDRESSED-BY-CONSTRUCTION + plan-bound 🟡 to T-22 (CORE horn (i)) still-hawk-102 ruling (2026-05-18): the BootstrapStageCompile single- authority seam is addressed-by-construction (pure structural predicate; out-of-set produces cannot satisfy the gate — modeled Rejected Outcome, no imperative side-channel; verified in code @6353d695e). Horn (ii) in-PR executable harness REJECTED (T-22-in-#3213 = brief violation). Records the deferred executable demonstration as an explicit plan-bound 🟡 with bilateral binding: - DECISIONS.md LB-T22-3213: arrival (T-22 TestClaim runner) + follow-up (negative TestClaims for the bootstrap-stage rejection family) that dissolves the 🟡. - TASKS.md T-22 scope: same obligation, cross-referencing LB-T22-3213 (neither side vague). - ci.dag in-file one-line tag → LB-T22-3213. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * v4 #3213: Practice-9 — single coproduct tag on CiCommand (drop variant-level 🟢) cursor 14020 (APPROVE_WITH_COMMENTS): CiCommand carried two emoji dissolution lines (coproduct-level 🟡 + variant-level 🟢), reading as conflicting dispositions on one type. Rubric wants one required 🟢/🟡/🔴 tag per coproduct; the LB-P4-3213 ledger already carries the single-authority/command-shape nuance. Drop the redundant variant-level 🟢 line; the coproduct-level 🟡 tag + DECISIONS.md ledger stand. No semantic change. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * v4 #3213: CI bootstrap-authority consumes bootstrap_plan Outcome, fail-closed (P2/P3) Operator BLOCKING inline (#3213 ci.dag:168): bootstrap_stage_output checked static stage-symbol membership {v4_stage0_binary,1,2} instead of consuming bootstrap_plan: Outcome<BootstrapPlan> — so CiPipeline could be Produced even when the canonical bootstrap plan is Rejected, bypassing the fail-closed bootstrap authority (INVARIANTS P2 single-authority / P3 fail-closed). Fix: bootstrap_stage_output now takes Outcome<BootstrapPlan>, matches it — Rejected ⇒ false (fail-closed: CI cannot pass while bootstrap is Rejected), Produced{value: bp} ⇒ produces ∈ {bp.seed/self0/self1 .produces} (validated-plan actual outputs, not a static set). ci.dag imports bootstrap_plan and threads it through ci_command_authority_ok → ci_pipeline_well_formed. The validated bootstrap_plan is now the sole authority. LB-P4-3213 ledger updated (P2/P3, plan-Outcome consumed). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * v4 #3213: add mandatory // Ledger: pointer line to load-bearing workflow headers CORE ruling (still-hawk-102 via Lane B): the de-prose-vs-rail fork was FALSE — strict de-prose stands AND one mandatory `// Ledger:` pointer line per load-bearing file (pointer class, not prose). Adds the CORE-specified line after Status: in bootstrap.dag + ci.dag. No body churn; consistent with strict-de-prose (concrete ref pointer, ≤1 line). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * v4 #3213: CORE Option B — rescind // Ledger: line, keystone wins (registry doc→files) CORE ruling (still-hawk-102) on the openai-pro 14070 RC vs the modeling-discipline.md:503-531 keystone contradiction: the // Ledger: mandate is RESCINDED — strict de-prose keystone wins (header stays exactly four lines; no see-docs/X pointer in .dag). - bootstrap.dag / ci.dag: remove the // Ledger: line (-1 each). - Registry moves doc→files (Practice 5, top-down): design-pure-bootstrap-zero.md names the two load-bearing workflow files + A3/PROOF-1/STOP-rail + C4; INVARIANTS.md + src/v3/SELF_HOSTING.md add short Practice-5 registry cross-refs. Authority flows doc→files, not per-file upward pointers. Replays swift-ram-178 a94a312 verbatim onto the #3213 branch. Clears openai-pro 14070; consistent with the keystone. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * v4 #3213: reconcile to authoritative trimmed spec — drop INVARIANTS.md registry para still-hawk TRIM relay (post-a94a3123f) set the authoritative one-commit spec = NO INVARIANTS.md edit: registry lives only in docs/design-pure-bootstrap-zero.md + src/v3/SELF_HOSTING.md + the .dag // Ledger: strips. 9fda2f0 over-included the INVARIANTS.md para (replayed from the pre-trim a94a312). Drop it to conform; the two authoritative registry homes + .dag strips stand unchanged. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> --------- Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Summary
Models the frozen v4 T-4.5 OS-interaction scaffolds in
src/v4/extdeps/process.dagandsrc/v4/extdeps/file_system.dagwithout expanding their declared scope. The files now carry POSIX.1-2024 version-pinned// Anchor:lines, scaffold-bounded carriers, D1Outcome<T>operation-result aliases for fallible external realization, and Practice-4 ledgers for the modeled coproducts.The scope intentionally follows the frozen headers:
file_system.dagremains paths/file kinds/read/write/list/kind only, with permissions, timestamps, mmap, locking, descriptors/open/seek/stat out of model;process.dagremains child invocation/lifecycle/exit/signal/capture only, without separate fork/exec/signal-management/fd modeling.Test plan
cargo fmt --all --checkcargo run -p v2-compiler -- compile --source-root src/v4 --output-dir <tmp> --target dagsrc/v4cargo test -p v3-compiler --test integration v4_extdeps_typescript_dag_compiles -- --nocapturecargo test -p v2-compiler-testsdsl/extdeps/llm/anthropic.dagparse errors in effects/anthropic pipeline tests and missingstd.unicodeimports inrender_repeat_test. The failures do not referencesrc/v4/extdeps/process.dagorsrc/v4/extdeps/file_system.dag.Verify Notes
import v4.std.diagnostic { Outcome }andimport v4.extdeps.file_system { AbsolutePath }resolve under--source-root src/v4, so the model has been tightened to the frozen-scaffold-faithful shape:Path,Command.program: AbsolutePath, and realOutcome<T>result aliases.