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kyleandClaude Opus 5.5 178484a981 M5a plan, task 04: check.rs given complete; later tests use no tags

Task 04's second session stopped too. It checked its code against the
markup test cases in its reasoning, and the tag it spelled out ended
its reasoning. Building tags from pieces keeps them out of files, not
out of the model's thoughts.

check.rs is now given whole, with the tags from pieces, and task 04
fills only entries.rs. The three later tests that used a tag only as
something the check refuses now use an instruction phrase or an
invisible character. They pass against the reference.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

2026-09-25 16:41:44 -07:00

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M5a task 04: entries and the check

Branch: m5a (run git switch m5a; git status --short must be empty, otherwise stop) Commit subject: memoryd: entries, and the check on every memory write

Goal

Two small modules (M5a spec, section 3 and section 5, "The check"):

entries: memory.md and user.md are entries separated by a line holding only §. Parse, render, and measure a file in characters.
check: every entry the agent writes, and every identity entry going into the prompt, is refused if it holds a control character (other than newline and tab), an invisible or direction-changing character, chat-template markup, or one of six instruction phrases. The table of invisible characters is written in the skeleton, from Unicode 16's Default_Ignorable_Code_Point property, plus six more.

Files

Copy (skeleton): crates/memoryd/src/entries.rs
Copy (complete, nothing to fill): crates/memoryd/src/check.rs
Copy (tests): crates/memoryd/tests/entries.rs, crates/memoryd/tests/check.rs
Modify: crates/memoryd/src/lib.rs, docs/implementer-log.md

The edits, exactly

crates/memoryd/src/lib.rs: add pub mod check; before pub mod config;, and pub mod entries; after it. The file then lists check, config, entries, socket.

The skeleton, and the given `check.rs`

entries.rs: fill parse, push, render, size.

check.rs is given complete, and its tests pass as soon as it is copied. Do not change it, and do not open its test or work through the test cases in your reasoning. Some of those cases are chat-template tags, built from pieces so that no file holds one. Your own model uses the same tags to mark its reasoning and its tool calls. If you spell one out, even in your thinking, it ends your reasoning or your turn. That is what stopped this task twice before. If you ever need to refer to them, call them "the markup strings".

Steps

1. Copy the four files; edit lib.rs.
2. See it fail. cargo test -p memoryd --test entries --test check: entries 3 failed; check 6 passed (it is given complete).
3. Fill the four functions of entries.rs. cargo fmt --all.
4. See it pass. The same command: 3 and 6 passed.
5. Run the gate. make gate: gate: ok, 9 more tests than before (about 877).
6. Log and commit. git add -A crates/memoryd docs/implementer-log.md Cargo.lock && git commit

Done when

make gate prints gate: ok.

Stop and report if

A test fails after the functions follow their comments exactly.

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