Record which model did each task
The implementer log gains a Model column, filled by the owner. Tasks so far: M1 and M2a 01 to 06 by Laguna S 2.1, M2a 07 by GLM-5.3. The commit trailer no longer names a model. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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# Implementer log
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Kept by the implementing model, one row per task. The column meanings are in `AGENTS.md`. The
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owner fills in the Model column, since the implementer may not know which model it is. The
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reviewer adds findings under "Reviews" once per milestone.
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| Task | Date | Status | Gate runs | First gate | Deviations | Notes |
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| M1/01-workspace-and-gate | 2026-09-17 | done | 1 | pass | none | Crate skeletons, Cargo files and the given Makefile/deny.toml/test-gate-scripts.sh were already present untracked from a prior attempt; I verified them against the plan and created only the missing gate scripts, dependencies.md, egress.md and this log row. |
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| M1/02-proto-values | 2026-09-17 | done | 1 | pass | none | Implemented ValueError, SessionId, Epoch, CallId, Hash32 and Timestamp in crates/proto/src/ids.rs and DataClass in class.rs, using serde try_from/into for string-backed JSON validation, a hand-written hex encoder and humantime for RFC 3339 parsing with canonical re-serialization. |
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| M1/03-proto-wire | 2026-09-17 | done | 2 | pass | none | Added Envelope, Message, WireError, ErrorCode, ToolRequest, ToolResponse and DenyReason in crates/proto/src/wire.rs, re-exported from lib.rs; all 9 fixture tests pass and `make gate` prints `gate: ok`. |
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| M1/04-proto-frame | 2026-09-17 | done | 2 | fail | none | Added crates/proto/src/frame.rs (MAX_FRAME, FrameError, write_frame, read_frame) re-exported from lib.rs; 13 fixture tests pass. Two compile fixes: mapped read_bytes io::Error to FrameError::Io and annotated serde_json::from_slice::<Envelope>; cargo-fmt reordered the lib.rs re-export lines; `make gate` prints `gate: ok`. |
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| M1/05-proto-grant | 2026-09-17 | done | 2 | fail | none | Added crates/proto/src/grant.rs (Mode, Constraints with Default, Grant with serde defaults + deny_unknown_fields) re-exported from lib.rs and toml 1.1.6 as a proto dev-dependency (workspace dep + dependencies.md row); 4 fixture tests pass. cargo-fmt reordered the lib.rs re-exports before the gate. |
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| M1/06-proto-records | 2026-09-17 | done | 2 | fail | none | Added crates/proto/src/audit.rs (DecisionRecord, AuditRecord) and crates/proto/src/log.rs (ToolCall, LogRecord) re-exported from lib.rs; 3 fixture tests pass, 40 total across the five proto test files. cargo-fmt reordered the lib.rs re-exports before the gate. |
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| M1/07-brokerd-decision | 2026-09-17 | done | 1 | pass | none | Added Decision (Debug only, private fields), decide (Err(NoGrant) until M3) and the run stub (ToolResponse::Failed) in crates/brokerd; Decision::new carries expect(dead_code). 2 unit + 3 doctests (2 compile_fail) pass; verified the compile_fail guards by temporarily making new pub. `make gate` prints `gate: ok`. |
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| M1/08-proto-strictness | 2026-09-17 | done | 1 | pass | none | Added deny_unknown_fields to AuditRecord and ToolCall in crates/proto; bounded Timestamp (MAX const, from_unix_millis -> Result, parse bounds via from_unix_millis, now clamps to MAX) in ids.rs. 45 proto tests pass; `cargo fmt --all` and `make gate` print `gate: ok`. |
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| M1/09-gate-scripts-table-form | 2026-09-17 | done | 1 | pass | none | Rewrote check-lines, check-crate-deps and check-dep-docs to parse table-form (`[dependencies.x]`) and dotted (`x.path`) dependencies and to fail closed (exit 1 when crates/Cargo.toml/docs/dependencies.md is missing); check-lines now prints `file has N lines (limit 500)`. Self-test passes with 0 failures, all three scripts pass on the real tree, and `make gate` prints `gate: ok`. |
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| M2a/01-proto-sha256 | 2026-09-17 | done | 1 | pass | none | Added crates/proto/src/hash.rs wrapping emsha 1.0.4 (HashError, Sha256 with new/update/finish, sha256, Default); re-exported from lib.rs, added emsha workspace dep and dependencies.md row. One compile fix: finish needed `mut self` to call finalize. 4 hash tests pass, `make gate` prints `gate: ok`. |
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| M2a/02-inferproxy | 2026-09-17 | done | 3 | fail | none | Implemented Limits/TokenBucket/OpenGuard/serve/handle/forward in lib.rs (std only: the inference server's JSON is upstream's concern) and arg parsing + stale-socket handling in main.rs; TokenBucket counts thousandths of a token in u128 so partial refills stay additive and `saturating_duration_since` on an earlier `now` never underflows, capping at burst; serve refuses by rate-limit then open-connection limit; handle drops its OpenGuard before closing the client so a freshly-finished client is not refused on re-connect (rule 4). The scaffold `proto` dependency in `crates/inferproxy/Cargo.toml` was left untouched since the task's Modify/Copy lists cover only lib.rs, main.rs, the two test files and this log. First `make gate` failed on `clippy::map_clone` (`main.rs` used `.map(String::clone)`); switched to `.cloned()` and re-ran, then re-ran once more after restoring the proto scaffold — both pass. Hand test against straylight returned `{"status":"ok"}`; `forward.rs` passed 6/6 ten runs in a row. |
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| M2a/03-loopd-config | 2026-09-17 | done | 1 | pass | none | Wrote crates/loopd/src/config.rs: Config + Infer/Slots/Expect/Sampling/Limits with deny_unknown_fields on all six and struct-level `#[serde(deny_unknown_fields, default)]` on Sampling and Limits; manual Default impls for the two; hand-written Display/std::error::Error ConfigError named by file. Everywhere check: all six structs (Infer, Slots, Expect, Sampling, Limits, Config) carry deny_unknown_fields. One local fix: Display used `{path}` on a PathBuf and failed to build, switched to `path.display()`. 6 config tests pass; `make gate` prints `gate: ok`. |
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| M2a/04-loopd-http | 2026-09-18 | done | 2 | fail | none | Added `pub mod http;` to crates/loopd/src/lib.rs and wrote crates/loopd/src/http.rs (423 lines): Request/Head/HttpError, send (exact header order, no `Content-Length` for GET), read_head (buffers across timeouts; `Timeout`/`Closed`/`TooLarge`/`Malformed`), parse_status+parse_head (`HTTP/1.1`/`HTTP/1.0`, status 100-599, lowercased names, duplicates kept, trimmed values), body (chunked/length/close; chunk extensions + trailers skipped), and read_capped. Two fixes: the chunk `Data` phase jumped to `Crlf` on `take==want`, but `want` was capped by the caller's buffer so it switched mid-chunk and returned `malformed chunk` on the recorded fixture — changed to switch on `chunk_remaining==0`; `read_length` reads straight into the caller buffer instead of an 8192 temp slice that would panic for readers larger than 8192. First gate failed on three clippy lints (needless borrows of `format!` results and `map_or` -> `is_some_and`), fixed on the second run. All 15 tests pass and `make gate` prints `gate: ok`. |
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| M2a/05-loopd-sse | 2026-09-18 | done | 2 | fail | none | Added `pub mod sse;` to crates/loopd/src/lib.rs and wrote crates/loopd/src/sse.rs: SseItem (Data, Done), SseError (Io, Timeout, Truncated, LineTooLong, NotUtf8) with Display/std::error::Error, and Events<R> which reads a line in bounded 4096-byte chunks, skipping blank/comment/other-field lines and stripping `data:` plus one leading space, decoding UTF-8 only once a whole line has arrived. Two fixes: `drain(..pos)` left the newline in the buffer so blank lines never advanced — changed to `drain(..=pos)` and pop the endings; `process_line` returns `Ok(None)` for a skipped line, which collided with `next_item`'s "stream ended" `Ok(None)` — restructured so a skip continues the loop and only a clean EOF sets `ended`. Both LineTooLong checks (mid-arrival and whole-read) verified by checking the accumulated length before reading and the finished line length. All 7 tests pass; first gate run failed on an unused import, fixed. |
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| M2a/06-llama-request | 2026-09-18 | done | 1 | pass | none | Added `pub mod llama;` to crates/loopd/src/lib.rs and wrote crates/loopd/src/llama/mod.rs (ChatMessage, ToolSchema, ChatRequest, ChatEvent, FinishReason, Timings with the server's deserialize shape, Completion, InferError with Display/std::error::Error, and a Client holding the config) and crates/loopd/src/llama/request.rs. build_body serializes the body from `#[derive(Serialize)]` structs so key order is fixed; each message kind is serialized with its own struct (the assistant renders `content` as `""` when `None`, and leaves `reasoning_content`/`tool_calls` out when absent; the top-level `tools` array is omitted when empty; `type` comes from `#[serde(rename = "type")]`); the first `cargo build` after writing the structs missed the `role` field on every message struct, caught by the failing test compile, added. 5 request tests pass; `make gate` prints `gate: ok`. |
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| M2a/07-llama-assemble | 2026-09-18 | done | 3 | fail | none | Wrote crates/loopd/src/llama/assemble.rs (Assembler plus server-format Chunk/Choice/Delta/ToolCallPiece/FunctionPiece/PromptProgress structs with no deny_unknown_fields) and registered `pub mod assemble;`. Accumulation: text goes through get_or_insert_with so content/reasoning stay None until a non-empty piece arrives; tool-call pieces land by index via u32::try_from then usize::try_from and get_mut, a new call only at exactly the end, a skip-ahead or an out-of-range index is Protocol; timings update before the reasoning-token count reads predicted_n; finish checks finish_reason (StreamClosedEarly), then id, then every tool call has id and name. First gate failed on two clippy collapsible_if lints; rewrote the two nested ifs as edition-2024 let-chains and re-ran. All 7 assemble tests pass; `make gate` prints `gate: ok`. |
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| Task | Date | Status | Gate runs | First gate | Deviations | Notes | Model |
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|---|---|---|---|---|---|---|---|
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| M1/01-workspace-and-gate | 2026-09-17 | done | 1 | pass | none | Crate skeletons, Cargo files and the given Makefile/deny.toml/test-gate-scripts.sh were already present untracked from a prior attempt; I verified them against the plan and created only the missing gate scripts, dependencies.md, egress.md and this log row. | Laguna S 2.1 |
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| M1/02-proto-values | 2026-09-17 | done | 1 | pass | none | Implemented ValueError, SessionId, Epoch, CallId, Hash32 and Timestamp in crates/proto/src/ids.rs and DataClass in class.rs, using serde try_from/into for string-backed JSON validation, a hand-written hex encoder and humantime for RFC 3339 parsing with canonical re-serialization. | Laguna S 2.1 |
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| M1/03-proto-wire | 2026-09-17 | done | 2 | pass | none | Added Envelope, Message, WireError, ErrorCode, ToolRequest, ToolResponse and DenyReason in crates/proto/src/wire.rs, re-exported from lib.rs; all 9 fixture tests pass and `make gate` prints `gate: ok`. | Laguna S 2.1 |
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| M1/04-proto-frame | 2026-09-17 | done | 2 | fail | none | Added crates/proto/src/frame.rs (MAX_FRAME, FrameError, write_frame, read_frame) re-exported from lib.rs; 13 fixture tests pass. Two compile fixes: mapped read_bytes io::Error to FrameError::Io and annotated serde_json::from_slice::<Envelope>; cargo-fmt reordered the lib.rs re-export lines; `make gate` prints `gate: ok`. | Laguna S 2.1 |
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| M1/05-proto-grant | 2026-09-17 | done | 2 | fail | none | Added crates/proto/src/grant.rs (Mode, Constraints with Default, Grant with serde defaults + deny_unknown_fields) re-exported from lib.rs and toml 1.1.6 as a proto dev-dependency (workspace dep + dependencies.md row); 4 fixture tests pass. cargo-fmt reordered the lib.rs re-exports before the gate. | Laguna S 2.1 |
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| M1/06-proto-records | 2026-09-17 | done | 2 | fail | none | Added crates/proto/src/audit.rs (DecisionRecord, AuditRecord) and crates/proto/src/log.rs (ToolCall, LogRecord) re-exported from lib.rs; 3 fixture tests pass, 40 total across the five proto test files. cargo-fmt reordered the lib.rs re-exports before the gate. | Laguna S 2.1 |
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| M1/07-brokerd-decision | 2026-09-17 | done | 1 | pass | none | Added Decision (Debug only, private fields), decide (Err(NoGrant) until M3) and the run stub (ToolResponse::Failed) in crates/brokerd; Decision::new carries expect(dead_code). 2 unit + 3 doctests (2 compile_fail) pass; verified the compile_fail guards by temporarily making new pub. `make gate` prints `gate: ok`. | Laguna S 2.1 |
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| M1/08-proto-strictness | 2026-09-17 | done | 1 | pass | none | Added deny_unknown_fields to AuditRecord and ToolCall in crates/proto; bounded Timestamp (MAX const, from_unix_millis -> Result, parse bounds via from_unix_millis, now clamps to MAX) in ids.rs. 45 proto tests pass; `cargo fmt --all` and `make gate` print `gate: ok`. | Laguna S 2.1 |
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| M1/09-gate-scripts-table-form | 2026-09-17 | done | 1 | pass | none | Rewrote check-lines, check-crate-deps and check-dep-docs to parse table-form (`[dependencies.x]`) and dotted (`x.path`) dependencies and to fail closed (exit 1 when crates/Cargo.toml/docs/dependencies.md is missing); check-lines now prints `file has N lines (limit 500)`. Self-test passes with 0 failures, all three scripts pass on the real tree, and `make gate` prints `gate: ok`. | Laguna S 2.1 |
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| M2a/01-proto-sha256 | 2026-09-17 | done | 1 | pass | none | Added crates/proto/src/hash.rs wrapping emsha 1.0.4 (HashError, Sha256 with new/update/finish, sha256, Default); re-exported from lib.rs, added emsha workspace dep and dependencies.md row. One compile fix: finish needed `mut self` to call finalize. 4 hash tests pass, `make gate` prints `gate: ok`. | Laguna S 2.1 |
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| M2a/02-inferproxy | 2026-09-17 | done | 3 | fail | none | Implemented Limits/TokenBucket/OpenGuard/serve/handle/forward in lib.rs (std only: the inference server's JSON is upstream's concern) and arg parsing + stale-socket handling in main.rs; TokenBucket counts thousandths of a token in u128 so partial refills stay additive and `saturating_duration_since` on an earlier `now` never underflows, capping at burst; serve refuses by rate-limit then open-connection limit; handle drops its OpenGuard before closing the client so a freshly-finished client is not refused on re-connect (rule 4). The scaffold `proto` dependency in `crates/inferproxy/Cargo.toml` was left untouched since the task's Modify/Copy lists cover only lib.rs, main.rs, the two test files and this log. First `make gate` failed on `clippy::map_clone` (`main.rs` used `.map(String::clone)`); switched to `.cloned()` and re-ran, then re-ran once more after restoring the proto scaffold — both pass. Hand test against straylight returned `{"status":"ok"}`; `forward.rs` passed 6/6 ten runs in a row. | Laguna S 2.1 |
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| M2a/03-loopd-config | 2026-09-17 | done | 1 | pass | none | Wrote crates/loopd/src/config.rs: Config + Infer/Slots/Expect/Sampling/Limits with deny_unknown_fields on all six and struct-level `#[serde(deny_unknown_fields, default)]` on Sampling and Limits; manual Default impls for the two; hand-written Display/std::error::Error ConfigError named by file. Everywhere check: all six structs (Infer, Slots, Expect, Sampling, Limits, Config) carry deny_unknown_fields. One local fix: Display used `{path}` on a PathBuf and failed to build, switched to `path.display()`. 6 config tests pass; `make gate` prints `gate: ok`. | Laguna S 2.1 |
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| M2a/04-loopd-http | 2026-09-18 | done | 2 | fail | none | Added `pub mod http;` to crates/loopd/src/lib.rs and wrote crates/loopd/src/http.rs (423 lines): Request/Head/HttpError, send (exact header order, no `Content-Length` for GET), read_head (buffers across timeouts; `Timeout`/`Closed`/`TooLarge`/`Malformed`), parse_status+parse_head (`HTTP/1.1`/`HTTP/1.0`, status 100-599, lowercased names, duplicates kept, trimmed values), body (chunked/length/close; chunk extensions + trailers skipped), and read_capped. Two fixes: the chunk `Data` phase jumped to `Crlf` on `take==want`, but `want` was capped by the caller's buffer so it switched mid-chunk and returned `malformed chunk` on the recorded fixture — changed to switch on `chunk_remaining==0`; `read_length` reads straight into the caller buffer instead of an 8192 temp slice that would panic for readers larger than 8192. First gate failed on three clippy lints (needless borrows of `format!` results and `map_or` -> `is_some_and`), fixed on the second run. All 15 tests pass and `make gate` prints `gate: ok`. | Laguna S 2.1 |
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| M2a/05-loopd-sse | 2026-09-18 | done | 2 | fail | none | Added `pub mod sse;` to crates/loopd/src/lib.rs and wrote crates/loopd/src/sse.rs: SseItem (Data, Done), SseError (Io, Timeout, Truncated, LineTooLong, NotUtf8) with Display/std::error::Error, and Events<R> which reads a line in bounded 4096-byte chunks, skipping blank/comment/other-field lines and stripping `data:` plus one leading space, decoding UTF-8 only once a whole line has arrived. Two fixes: `drain(..pos)` left the newline in the buffer so blank lines never advanced — changed to `drain(..=pos)` and pop the endings; `process_line` returns `Ok(None)` for a skipped line, which collided with `next_item`'s "stream ended" `Ok(None)` — restructured so a skip continues the loop and only a clean EOF sets `ended`. Both LineTooLong checks (mid-arrival and whole-read) verified by checking the accumulated length before reading and the finished line length. All 7 tests pass; first gate run failed on an unused import, fixed. | Laguna S 2.1 |
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| M2a/06-llama-request | 2026-09-18 | done | 1 | pass | none | Added `pub mod llama;` to crates/loopd/src/lib.rs and wrote crates/loopd/src/llama/mod.rs (ChatMessage, ToolSchema, ChatRequest, ChatEvent, FinishReason, Timings with the server's deserialize shape, Completion, InferError with Display/std::error::Error, and a Client holding the config) and crates/loopd/src/llama/request.rs. build_body serializes the body from `#[derive(Serialize)]` structs so key order is fixed; each message kind is serialized with its own struct (the assistant renders `content` as `""` when `None`, and leaves `reasoning_content`/`tool_calls` out when absent; the top-level `tools` array is omitted when empty; `type` comes from `#[serde(rename = "type")]`); the first `cargo build` after writing the structs missed the `role` field on every message struct, caught by the failing test compile, added. 5 request tests pass; `make gate` prints `gate: ok`. | Laguna S 2.1 |
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| M2a/07-llama-assemble | 2026-09-18 | done | 3 | fail | none | Wrote crates/loopd/src/llama/assemble.rs (Assembler plus server-format Chunk/Choice/Delta/ToolCallPiece/FunctionPiece/PromptProgress structs with no deny_unknown_fields) and registered `pub mod assemble;`. Accumulation: text goes through get_or_insert_with so content/reasoning stay None until a non-empty piece arrives; tool-call pieces land by index via u32::try_from then usize::try_from and get_mut, a new call only at exactly the end, a skip-ahead or an out-of-range index is Protocol; timings update before the reasoning-token count reads predicted_n; finish checks finish_reason (StreamClosedEarly), then id, then every tool call has id and name. First gate failed on two clippy collapsible_if lints; rewrote the two nested ifs as edition-2024 let-chains and re-ran. All 7 assemble tests pass; `make gate` prints `gate: ok`. | GLM-5.3 (z.ai, default settings) |
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## Reviews
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