Revmux

revmux — supervised multi-agent code review

revmux spawns and supervises parallel claude --print and codex exec subprocesses, watches each for stalls, retries what hangs, and returns findings on stdout.

It does no scope detection, no git, no PR fetching, no source modification. This skill does that half.

Script path resolution

The bundled scripts live in scripts/ beside this SKILL.md. Resolve each one's absolute path from this skill's SKILL.md entry in the available-skills catalogue, and write that path, in double quotes, in place of the <the absolute path this session resolved for scripts/…> placeholder wherever a command below carries it. Marketplace plugins live in a versioned cache, not ~/.codex/skills/, so no fixed path can be written here.

Activation triggers

• "revmux", "run revmux", "review with revmux"
• "multi-agent review", "supervised review", "parallel agent review"
• "revmux this branch", "revmux the last commit", "revmux the uncommitted changes"
• "revmux pr 123", "revmux this PR", a pull-request URL — the checkout half, references/pr.md
• "triage this", "triage issue 123", "is this worth doing", "should we accept this", "should I close this", an issue or discussion URL — the panel over a filed item, references/triage.md
• "another revmux round", "re-review after fixes"
• "show me", "I want to watch", "run it visible", "in an overlay" — the overlay form in Step 4, which puts the TUI on screen. Any of these with a review request means overlay; alone they are not a trigger
• "revmux loop", "loop it", "keep going until clean" — the review-fix loop, references/loop.md
• "revmux self", "self-improve revmux", "tune revmux" — the self mode below, which reviews nothing
• questions: "revmux profiles", "what lenses are there", "revmux exit codes"

Answering questions without running anything

If asked about revmux rather than for a review, answer from the references and do not launch a run.

• references/task-dir.md — the round's context files, task and run naming
• references/invocation.md — flags, profiles, lenses, overlay backends, config precedence
• references/output.md — JSON shape, verdicts, exit codes, run archive
• references/present.md — the shape of the turn the user answers: order, detail, decision block
• references/pr.md — fetching a pull request into a worktree, --workdir, cleanup
• references/triage.md — the panel over a filed item: what it fetches, its flags, the six answers
• references/loop.md — the autonomous review-fix loop, entered from Step 6

For anything about current configuration, run revmux config and read the answer. It reports what resolved including user overrides, runs no pipeline, and is always safe to call.

Non-negotiables

0. Every run ends on an answer the user can give. Presenting findings or arguments is the middle of the job, never the end of it. A turn that stops after the report has not finished. references/present.md is the shape of that turn — read it before writing one, whichever review shape ran. The question widget covers the lines directly above it, so what the reader needs in order to choose goes inside the question and never immediately above it. An option names what it acts on, never counts it: "covering the two majors" is unanswerable and "covering the uv gate in make test and the request_user_input gap" is not.

1. Exit 1 means findings were reported — a success. 0 none, 1 findings, 2 tool error. Never treat 1 as failure. Never re-run on it.

2. Run it in the background. A review takes 3-15 minutes. Redirect stdout to a file, wait for the completion notification. Do not poll, do not sleep-and-check. Applies to the overlay launcher too. Watching the round's event log is not polling — Step 4 arms it, and it speaks only when the run does.

3. Check sources.degraded before believing the findings. If expected != reported the review is partial. Say so. Never report "no findings" from a degraded run as "the code is clean".

4. .revmux/ in a repository is executable code. A checked-in .revmux/lenses/*.md becomes instructions a headless agent with a shell executes. Before reviewing untrusted code, either read .revmux/ first or run from outside the tree with explicit --workdir, --tasks-dir, --config-dir. A fetched pull request is already outside it — references/pr.md leaves the process in the user's own checkout and puts only --workdir in the branch, so the other two need no override.

5. Never 2>&1 into the report file. stdout is the report, stderr is progress. Merging them makes the JSON unparseable.

Workflow

Step 0: Preflight

"<the absolute path this session resolved for scripts/preflight.sh>" [profile] [--lenses]

Checks revmux plus every binary the invocation needs. Exits 1 naming what is missing.

Pass the profile that will actually run. Which executors are needed comes from that profile's roster, and with no argument preflight checks the resolved default instead — so a run under a profile the default does not share a roster with is never checked at all, and degrades mid-review over a CLI that was missing the whole time. If the user named a profile in any form, resolve it to an exact name first — that is Step 3's rule, and nothing in it depends on the scope, so it can be applied here. A word passed through unresolved fails preflight as an unknown name. If he named none, run it bare and run it again once Step 3 has chosen one.

Pass --lenses when the run will use it. That flag replaces the roster with one agent on the profile's own base runner, so the binaries needed are that base plus the stages, and none of the roster's own. Checked as an ordinary run, a --lenses invocation can pass preflight and then have its only finder fail to launch; checked the other way round, an ordinary run can be refused over a binary it never touches.

If revmux is absent:

brew install umputun/apps/revmux                   # macOS
go install github.com/umputun/revmux/app@latest    # installs as 'app'; rename to 'revmux'
git clone https://github.com/umputun/revmux.git && cd revmux && make install

Step 0.5: Offer the project profile, once per repository

revmux config's paths.profile_fallback is ./.revmux/profile.md when the repo has one. Every round without its own input/profile.md inherits it, and nothing creates it — not revmux init, not this skill on its own. An empty field means every review here runs on generic calibration.

When it is empty, say so in one line and offer to write it. Only ever with the user's yes, and never from the diff: read the project's own rules — CLAUDE.md, AGENTS.md, CONTRIBUTING.md, docs/, the linter config — and write what the software is, what a real failure looks like there, the blast radius, the reporting bar, and which conventions are deliberate. A profile guessed from one change is the thing this file exists to replace.

Offer it once. If he declines, do not ask again in the session, and do not write a round-local input/profile.md instead — that wins over the project file and is exactly the substitution the round brief forbids.

Never on a fetched pull request or any tree that is not his: .revmux/ is checked-in configuration, so authoring one there commits a review standard to somebody else's repository.

Step 1: Resolve what is being reviewed

Two commands here, and no more git than this:

git branch --show-current && git status --short
git diff <range> --shortstat

The shortstat goes into the brief. It is one line in this session and it is the whole of step 1 for the subagent, which otherwise spends three to five git calls arriving at the same three numbers — and they are the numbers Step 4's announcement is built from either way. Everything past the scale is still the subagent's: the full diff, the file list, what is worth reading.

Two rows in the table above are not a single range, so the one command does not cover them. Uncommitted work on master is git diff --shortstat plus git diff --staged --shortstat, and the scale handed over is the two added together — a bare git diff --shortstat reports nothing at all when the work is fully staged. A path scope has no range: hand over the file count instead, or hand over nothing and say so. Do not hand a number the commands in scope.md contradict, since the brief makes it binding — "take the scale as given rather than measuring it again".

A pull request is a different shape, not a harder ref range. revmux fetches nothing and checks nothing out, so a PR has to be on disk before there is anything to review, and the checkout has to be removed afterwards. Read references/pr.md and follow it — it covers steps 1 through 4 for that case and hands back here at Step 5.

A filed item is not a change at all, so there is no range to measure and nothing for Step 2's brief to read: it reads a diff and returns a shortstat, and a triage has neither. references/triage.md replaces Step 2 entirely — it fetches the item, its thread and the author's history into context/, writes the round, and hands back here at Step 5. A bare number goes through the probe in the table above first; a number that turns out to be a pull request is pr.md, whatever the user called it.

Ask only when genuinely ambiguous; a feature branch with uncommitted work is the standard case. Use request_user_input when available, otherwise ask one concise question and stop. The question is always this session's, never a subagent's: a subagent cannot ask, and one that guesses reviews the wrong thing at full cost.

Step 2: Prepare the round — in a subagent

Everything between the resolved scope and a round ready to run is delegated: reading the diff, matching the task, opening the round, and writing its context files. That is a dozen tool calls and several screens of diff whose output answers nothing the user asked — and it buries the review it is preparing for.

It is also the wait the user sits through before the review starts, and the wait is generation. Measured over eight archived rounds it ran 65 to 156 seconds, and the wall-clock tracked output tokens at a flat rate across all eight — so what makes it slow is prose written and turns taken, not tool latency. The budgets and the prohibitions in the brief are load-bearing for that, not tidiness.

Expand every path before handing the brief over. The subagent does not have this skill loaded and cannot resolve the skill directory itself, so substitute the resolved absolute path into the brief's text, or its task-state.sh step silently runs nothing.

Say one line first, then spawn it: Preparing the round for <what is being reviewed>… — the subject in the user's own terms, "the branch against master", "PR 123", "the last 3 commits". Then nothing further until the subagent returns: a delegated step the user was told about reads as work in progress, while an unannounced pause reads as a stall.

Spawn one subagent with the collaboration tool, without overriding its model or reasoning effort. Hand it the resolved scope from Step 1 and this brief:

Prepare a revmux review round. Write files; change no source, run no review, commit nothing.

The scope is: <the row resolved in Step 1, with its ref range>, and its scale is <the shortstat Step 1 printed>. Take the scale as given rather than measuring it again. Exclusions the user has stated: <list them, or "none"> — write these under the scope's explicit exclusions. They are decisions already taken, and the diff cannot show you one.

1. Read the change: the diff for that range, once, and the file list. That is the whole of the exploration. Do not read source files in full, do not grep the tree, and do not run a further diff per directory — naming a file worth reading is the reviewing agent's instruction, not a claim to verify first, and the round exists because four of them are about to read it properly.
2. If this session handed you a task id, use it verbatim and go to step 3. Otherwise match an existing task before minting one — a second id for one subject runs as a first round with no history. revmux config | jq '.paths.tasks' lists them with id, description, url, branch, base and rounds. Match on url or branch exactly, failing that on description against the subject in hand, and reuse the matched id verbatim. Derive one only when nothing matches: pr-<number>, issue-<number>, a branch name with / replaced by -, since-<short-sha>, or wip-<branch>. No path separators, no .., no leading dot, not absolute.
3. Run <the absolute path this session resolved for scripts/task-state.sh> <task-id>. It takes the id as its one argument and exits 1 with a usage line without it. It validates the id and reports the task.md anchors, every round, and each round's input/ state — prepared (never reviewed), claimed (a review started and never finished) or ran. That is the inventory; do not ls the task or a round to confirm what it already told you.
4. Name the round NN-label — 01-initial, 02-after-fix, 03-final — with NN one past the highest already there, and do not mix vocabularies across rounds of one task. Then revmux new --task <id> --run <NN-label>, exactly as written and with no --help run before it. It prints the absolute path of every file to write plus which of them it created.
5. Write to those paths and no others. Never join a path, never create a directory the output did not name, and never write over an existing scope.md without reading it first. Every file below is bullets, paths and command blocks — never paragraphs of prose. Every agent in the roster reads them and then reads the diff itself, so anything the diff already says is length paid for twice, and writing it is most of what this round costs in wall-clock.
   • scope — required, and under 1500 characters. What changed, the commands to see it, its scale, which files to read in full, what to ignore. Write commands in plainest form: git diff master...HEAD, never git -c core.pager=cat diff ... — a leading option defeats the child's permission matching.
   • goal — optional, and under 1000 characters. What the change is for, plus a "this is correct only if…" list. When the round is the last one before the branch merges, make it the gate: say the round exists to answer whether anything in this diff should not ship, and name what qualifies — a defect in executable code, a change to a prompt, schema or shipped script that would make a later run wrong, or a contradiction that would mislead an agent executing the document. Say that finding nothing is a valid answer, or the round reads as owing findings and manufactures them.
   • profile — do not write it. What it holds is about the repository rather than this round, so it lives in ./.revmux/profile.md and revmux gives every round without a non-empty override the same one with nothing copied forward. You see the diff and the file list, which is not enough to state a repo's conventions, and a generated file here wins over the project's and silently replaces it. Write it only when the user says this subject needs a different bar than the repo's.
   • context — optional. Ticket text, design notes, commit list. Its path is reported but the directory is not created.
   • task_file — when created lists it, and also when it is already there but still the unfilled template with every anchor empty. Read it first either way. description, plus url, branch and base when known: that front matter is what the next session matches on, and a task.md left as the blank template is what makes the next session mint a duplicate id.
6. Stop at the last write. A failed write returns an error, so there is nothing to confirm afterwards — no ls, no diff, no second task-state.sh, no git status.

Do not read the previous round's scope.md, goal.md or context/. revmux injects every prior round into every composed prompt itself, so reading them buys nothing and anchors this round's scope on the last one's wording. No round's profile.md is read either: the project file revmux resolves is not one of these.

Return JSON only: {"task": "", "run": "", "round_dir": "", "scope_path": "", "wrote": [], "files_changed": 0, "insertions": 0, "deletions": 0, "areas": [], "notes": ""}. areas names the parts of the codebase the diff touches. Put anything that went wrong in notes and do not paper over it.

Read references/task-dir.md yourself only if the subagent reports something it could not resolve.

Nothing else moves into a subagent. The profile choice, the launch, the report and how it is presented all stay in this session — they are the decisions the user is waiting on, and a summary of a decision already made is not the same thing.

Check what comes back before launching. A missing round_dir or an empty wrote means no round is ready and the run would fail on a missing scope; fix that here rather than launching into it. The scale numbers are what Step 4's one-line announcement is built from.

Step 3: Choose profile and flags

Never choose expert on your own. It is two agents at xhigh each applying every lens, so it costs several times what comprehensive does, and no property of the subject justifies reaching for it — not a plan, not a large diff, not a risky one. Pick it only when the user asked for it in words, and say that is why. Every other profile reviews whatever it is pointed at, a plan included; expert's severity bar is simply written so a proposal reads as naturally as a diff.

A profile word is not a profile name. Map whatever the user said onto the profiles revmux config reports, matching the name first and the description second. revmux rejects an unknown --profile at load and never guesses, so resolving is this skill's job — passing his word through unresolved just fails the run.

Examples, not the list. Match on intent — breadth wants comprehensive, speed wants focused, a merge gate wants final — and read the resolved catalog rather than this table, since a user with his own profiles has names it does not carry. Name the profile picked and the word it came from. Ask only when two are genuinely close, as "quick, before I merge" is between focused and final.

--lenses a,b produces one agent carrying both lenses and drops the codex peer, losing every cross-source confidence boost. Prefer a profile unless narrowing is specifically wanted.

Also useful: --min-confidence=70 for actionable-only, --no-verify when a human reads everything.

Step 4: Run it — headless or overlay

Both return the same report on stdout and the same exit code.

Headless — the default:

revmux --task <id> --run <name> --no-tui > /tmp/revmux-<id>-<run>.json 2> /tmp/revmux-<id>-<run>.log

Launch as a yielded command session, keep its session id, and wait on that same session until it exits.

Reviewing a fetched pull request adds --workdir <worktree> and changes nothing else — including that the command is still run from the main checkout, which is what keeps the archive out of the directory the cleanup deletes. references/pr.md has the reasoning.

Before yielding, tell the user three things — otherwise they sit for 10+ minutes with no signal:

1. what is running (task, profile, roster size) and the rough duration
2. the stderr log path, and that tail -f <path> shows live per-agent progress
3. that they can ask for status any time

On a status request, read the tail of the stderr log and events.jsonl in the round directory. Report the stage, which agents are active, and elapsed. Never guess.

Then arm the progress feed, before yielding — headless only. Start a second yielded command session over the round's own events.jsonl:

tail -n +1 -F <round_dir>/events.jsonl \
  | grep -E --line-buffered '"kind":"(stage|agent_started|agent_done|agent_retried|agent_degraded|dropped|rate_limit)"'

Use write_stdin to read new output with waits no longer than 60 seconds. When the review session exits, send Ctrl-C to the tail session because tail -F never ends by itself. references/invocation.md says why those seven kinds are used instead of the log.

Speak at most once a minute, and only about what happened. Fold every event since the last relay into one short line — the stage that opened, the agents that started or finished — rather than one line each: a roster launches four agents within seconds of each other, and four consecutive messages saying so is the same noise from the other direction. A retry, a degrade or a rate limit goes out when it arrives instead of waiting for the minute; those change what the user would do next.

Never report a quiet interval. No heartbeat, no "no change since the last check", no restating a milestone already relayed — a feed that speaks when nothing happened is the one the user turns off. The monitor is woken by the file, so silence costs nothing and needs no announcing.

The feed belongs to this form alone. It exists because a headless run says nothing for ten minutes and the user has no other signal. An overlay run is that signal, on screen, live.

Overlay — when the user wants to watch:

"<the absolute path this session resolved for scripts/launch-revmux.sh>" --task <id> --run <name> [any revmux flag]

Detects the terminal (agterm, tmux, zellij, herdr, kitty, wezterm/kaku, cmux, ghostty, iTerm2, Emacs vterm), runs revmux with its TUI in an overlay, returns the report on stdout. Under agterm: floating panel at 80% of the pane, or a pane overlay when the session is split, which leaves the sibling pane live. Either shape is tinted blue. Do not pass --no-tui; the script rejects it.

• it blocks for the whole review, so launch it as a yielded command session and wait on that same session
• no progress feed, and none of the three-things announcement. The TUI is the progress feed: a second tail session here narrates in prose what the user is already watching render, once a minute, and the three lines about tail -f point at a log he does not need. Say what is running in one line and yield.
• its exit codes: 0/1/2 are revmux's, 3 is a launcher failure, 127 is revmux not installed. A 3 means no review happened — that is the one to retry.
• overrides: REVMUX_AGTERM_PERCENT (80, and forces the floating panel in a split), REVMUX_POPUP_WIDTH/HEIGHT (90%), REVMUX_AUTO_EXIT (30s; 0 waits for the reader to quit), REVMUX_TMUX_WINDOW=1 for a disconnect-resilient tmux window

Choose headless unless the user asked to watch or is clearly at the terminal.

If the launcher dies after a run completed, the report is not lost — it is in the round directory as findings.json and report.md. Read from there rather than re-running. A killed run wrote no report, and most 2s wrote none either — but the report reaches stdout only after the round is archived, so a 2 whose stderr names a failure writing it leaves a complete round. Check the round's manifest.json for content before re-running.

--run is required. A round that has already run is an error, not an overwrite — but a round whose review never finished is not one of those, so a retry after exit 2 reuses the same name and the same input/. That holds only while the dead review wrote nothing into the round, which is narrower than it sounds: the pipeline opens events.jsonl as its first act, so anything interrupted after it started is refused under its own name, and the answer is a new round with the input/ copied across. It may not be named task.md.

Step 5: Read the result

Read references/output.md for the full shape.

1. Exit code. 2 means nothing usable — read the stderr log, which names the cause. If that cause is a failure writing the report to stdout, the round is complete and its findings.json is on disk; read it. Otherwise fix the cause and re-run: the same --run while that round holds nothing but its input/, a new round with the input/ copied across once revmux refuses the name. 0 and 1 both completed.
2. sources. Non-empty degraded means partial; lead with that.
3. findings. Group by severity.
4. open_questions, pre_existing and immaterial — report each separately.

sources holds agent names and is the only evidence of independent corroboration. lenses holds lens names and is informational. One agent flagging under two lenses is still one source.

Step 6: Present, then propose

Read references/present.md now, and write the turn to its code-review skeleton. It carries the order of the turn, the one law of detail, the decision block and the rules for the question itself. The shape of the turn is defined there and nowhere else; what follows here is only what a code review adds to it.

Tag every finding with its surface and severity in one bracket before the title: [code, minor]. The first value is the surface: code for executable logic, comments for a comment or doc comment inside a source file, docs for a project document, tests for test code, or another lowercase word when none fits (config, build). revmux returns no surface field, so derive it from file and what the body argues: a .go path whose body is about stale godoc is comments, not code. The second value is the finding's exact severity field. Never omit either value or split them into separate tags. Format the heading [surface, severity] Title — file:line, conf N.

Carry the same combined tags into the counts. "3 findings" says nothing about where the risk is; "2 [code, major], 1 [docs, minor]" does.

Actionable is findings alone — what revmux kept. Report the other three, and keep them out of the count: immaterial is real and judged not worth the fix, pre_existing is real and not this change's, open_questions wants a decision rather than an edit.

Recommend the option that fits the outcome:

Rows are tried in order and the first match wins, so a degraded run outranks whatever it did report.

Ask with request_user_input when available, putting the recommendation first and marking it (Recommended). Otherwise ask one concise question and stop.

Never start fixing because the findings look clear. A review produces findings; editing is a separate decision, and this is where the user makes it.

Offer the loop as a third way out of that question, alongside stopping and fixing-then-one-more-round: review, fix, commit, re-review, until a round comes back with nothing gating. It is for the user's own branch, never a fetched PR, and it commits without pushing. references/loop.md is the whole procedure — read it when he picks it, not before.

Once he answers with anything other than another round, run the archive check below.

Step 7: Fix and re-run, if asked

1. Agree which findings to act on. An immaterial verdict means revmux already dismissed it — it is in its own list, not in findings. A rejected one appears nowhere at all: the verifier judged it not real and dropped it, so only the archive's stage snapshots still hold it.
2. Make the fixes.

Before committing a fix, do these three checks, in this order.

1. Sweep for the shape, not the site. Name the defect the finding demonstrates as a construct — "a switch over a three-value enum that only tests one end", "a sentence asserting a shape regardless of the counts", "a phrase that must match a list beside it" — then grep the repo for that construct and fix every occurrence in the same commit. Grep for the pattern rather than the literal string: a phrase wrapped across a line break survives a search for the phrase.

This check exists because the other two cannot catch what it catches. Three times in one archived task a fix landed at the site the finding quoted and left the identical defect elsewhere — once in a file the same commit was already editing, once in the file beside it, and once four lines below, inside the same diff hunk, in a commit whose own message stated the general rule. Knowing the rule does not substitute for running the search.

2. Enumerate what you touched. Name the input space of the thing you changed and confirm every member is handled and that a test tells them apart:

• an enum or a set of string constants — every value, and every transition between them if direction matters
• a struct being folded, copied or serialized — every field, not the ones the change was about
• a platform, a filesystem or an executor the code branches on — each branch
• an error class the code distinguishes — absent, unreadable, malformed, present-but-empty
• a ratio — that the numerator and the denominator are drawn from the same population

The recurring failure is not carelessness on many fronts. It is writing the fix for the case that prompted it and a test pinning that same case, so the test cannot catch what was left out.

3. Re-read the finding, then read your fix against it. Fix the mechanism the finding names, not the example it happens to use to illustrate it. A finding that says "the switch cannot express a change that skips minor" is not answered by adding one more case to the switch.

Then run the tests and the linter. A fix that breaks the build is not committed. 3. Open the next round on the same task and write its own scope — the fixes and the range they land in. That is Step 2's subagent again, with the same one-line announcement, the task id it already returned, every exclusion the earlier rounds carried, and a fresh --shortstat for the fixes, so a re-review costs the session no more output than the first round did — and the brief's step 2 is skipped outright, since the id is not in question on a round of a task that already has rounds. Then run it:

revmux --task <id> --run 02-after-fix --profile <picked> --no-tui \
    > /tmp/revmux-<id>-02-after-fix.json 2> /tmp/revmux-<id>-02-after-fix.log

revmux injects the prior rounds itself. Do not paste prior findings into the scope — it duplicates the injection and anchors agents on conclusions they should re-derive.

A pull request re-reviewed after the author pushed is fetched again first, and carries --workdir again: references/pr.md, step 6.

Pick this round's profile from what the fixes touched, not from the round number. A re-review is not automatically smaller: round 1's findings may have been fixed by a redesign, and a narrower roster cannot catch a regression in an area its lenses do not cover.

Default to final and make comprehensive argue for itself. Across the archived rounds, roughly three quarters of everything found is minor and minors never converge — they arrive at roughly three a round whatever the gating count is doing, including on rounds where gating had already been zero twice over. final reports nothing below major, and the re-review rounds run under it produced the shortest actionable lists in the corpus. A fix that touched a test file is not by itself a new surface; the row above wants a surface the review genuinely has not looked at.

The round-2 failure worth spending a roster on is a fix that does not address the finding, or addresses it in the wrong place. That is the impl lens, which focused does not carry — so a re-review narrows to final rather than to focused.

Documentation is the one surface a re-review does not widen to cover. Every other spill is code the round before never looked at; a doc fix is a sentence this loop just wrote, and running the docs lens over it produces a finding about that sentence round after round while the code stands still.

Ask with request_user_input when available, putting the matching row first and marking it (Recommended). Otherwise ask one concise question and stop. Never narrow the roster silently: a user who does not notice gets a smaller review than the one he thinks he asked for. Skip the question when he named a profile himself.

Archive housekeeping

Every round keeps each agent's verbatim stream, so the archive grows by roughly half a megabyte per round and revmux prunes nothing on its own. Check it once a session, after the last round is presented — never between rounds, and in loop mode only after the loop exits.

revmux stats

totals.size_mb is the whole archive. Under 20MB, say nothing and move on: disk has no place in a report about findings. Over it, propose getting back to roughly 10MB.

The proposal is oldest first by last_run, whole tasks, and never the task this session reviewed. Each tasks entry carries the id, description, rounds, size_mb and last_run a choice is made from.

A task with no last_run at all is not the oldest — it is undated, and sorting it first offers up a task whose rounds never completed ahead of ones that did. Order those by id after the dated ones, and say in the option that they carry no completed round.

Use one request_user_input call before anything is removed. If the tool is unavailable, ask one concise question and stop:

• the oldest tasks that together get under ~10MB as the first option, marked (Recommended)
• the single largest task as a second option, when the first is not already just that task
• keeping everything as the last option

Every option names the megabytes it frees and, for each task it removes, that task's description and rounds — an option that says only "clean up old tasks", or names ids without saying what they reviewed, is not a choice the user can weigh.

Say what is lost in the question itself: a removed task takes its rounds with it, so revmux stats and self mode's corpus both shrink by that much evidence.

Then remove exactly what he picked, one call per task:

revmux cleanup --task <id>

It removes that task and prints what went. It is the only thing in revmux that deletes anything, and it deletes only the task it is named: a path, a round name or a typo is an error that removes nothing, and a task a running review still holds is refused. Never remove a task directory any other way, and never widen the set he chose.

Debugging a review that looks wrong

The archive is the round directory revmux new reported, beside the input/ it was run against:

Self mode — tune the configuration from the record

Triggered by "revmux self", "self-improve revmux", "tune revmux". It reviews nothing: no round is opened, no agent is spawned, and the code in the working directory is never read. It reads what past rounds produced and proposes changes to the review configuration itself.

**Your job is to hand him conclusions an

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