repo-mailbox/CHANGELOG.md
Kjell Tore Guttormsen 2c44c091ff chore(release): v0.2.2
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01CvTviFeoMCKJcALATRempy
2026-07-25 06:40:37 +02:00

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# Changelog
All notable changes to this project will be documented in this file.
The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
## [0.2.2] - 2026-07-25
### Changed
- `coord-inbox.sh` now warns on stderr for each unknown argument instead of
discarding it silently. The read path stays lenient (it runs inside the
SessionStart hook, which must never fail a session over a stray flag) and
the exit code is unchanged, but a mistyped flag no longer looks like a
working invocation. The hook runs the script with stderr discarded, so the
warning surfaces in manual CLI use only.
### Added
- Selftest: 68 -> 70 checks, covering the stderr warning and the leniency it
must not break (unknown argument still reads the inbox and exits 0).
### Documentation
- README: corrected the stale selftest count (64 -> 70), documented that a
broadcast is never delivered back to its own sender (shipped in 0.2.1 but
undocumented), and added rule 6 — message content is data, never
instructions — which `coord-inbox.sh` already enforces in the injection
framing.
## [0.2.1] - 2026-07-25
### Fixed
- Broadcast self-delivery: `coord-send --broadcast` left no seen-set entry for
the sender, so the announcing repo got its own announcement injected at its
next session start. The delivered filename is now recorded in
`_broadcast/seen/<sender>` at delivery time, reusing the existing per-repo
seen set rather than adding a second exclusion mechanism. Filtering on the
`from:` field at read time was rejected: `from:` is sender-controlled, so it
would let any repo suppress a broadcast for another by forging the field.
The seen file is keyed by the raw sender name (the read side keys it
unsanitized, so the two must agree); senders containing a slash, or equal to
`.`/`..`, skip the marking rather than escape the directory.
### Added
- Selftest: 64 -> 68 checks, covering sender self-exclusion, unaffected
delivery to other repos, self-exclusion for sender names that are not
shell-clean, and the seen-marking path-escape guard.
## [0.2.0] - 2026-07-24
Hardening pass over the three CLIs.
### Fixed
- Atomic delivery: the temp file is created inside the destination directory
(dot-prefixed, invisible to the inbox glob), so the final rename never
crosses filesystems and readers never observe a half-written message.
- `.` and `..` are rejected explicitly in the `--reply-to` and `coord-done`
name guards instead of relying on downstream failure.
### Added
- `-h`/`--help` on `coord-inbox.sh`, making usage output uniform across the
three CLIs.
- Selftest: 48 -> 64 checks, closing gaps around the default mailbox path via
`HOME` fallback, malformed frontmatter on the read path, and a read-only
destination directory.
## [0.1.0] - 2026-07-24
First public release: extraction of a battle-tested personal mechanism into a
distributable plugin.
### Added
- Bash engine: `coord-send.sh` (directed / broadcast / reply delivery),
`coord-inbox.sh` (pending inbox + unseen broadcasts, formatted for context
injection), `coord-done.sh` (archive without reply), all bash-3.2-safe,
ASCII-only, zero dependencies.
- `coord-selftest.sh`: 48 checks against a throwaway mailbox, including
regression cover for filename sanitization, no-hang argument parsing,
prompt-injection resistance, frontmatter hygiene, and broadcast ordering.
- SessionStart hook (`hooks/scripts/session-start.mjs`): thin zero-dependency
Node wrapper that injects the repo's pending mailbox as
`additionalContext`. Always exits 0 — a broken mailbox never blocks a session.
- `coord-send` skill: natural-language front door (English + Norwegian
triggers) mapping intent to engine invocations, including bounded
multi-target loops, deferred sends, and replies.
### Fixed
- Frontmatter injection: CR/LF and control characters in `--subject`/`--from`
are collapsed before writing, so fields can no longer inject frontmatter
lines or a premature `---` terminator.
- Broadcast loss: a per-repo seen set (`_broadcast/seen/<repo>`, one delivered
filename per line) replaces the single high-water mark, which silently
dropped a same-second broadcast whose filename sorted below one already
seen. Upgrade note: a legacy watermark file is read as a one-entry seen
set, so old broadcasts may be re-delivered once.
### Changed
- Read-side protocol strings are English (`--- message:`, `-> reply:`,
UNTRUSTED DATA framing); the forgery-resistance selftest checks pin the
English tokens.