From 1560a76441e195e0264efc030ecf79fe62358b5c Mon Sep 17 00:00:00 2001 From: Ben Barber Date: Wed, 10 Jun 2026 15:04:59 -0400 Subject: [PATCH 01/22] docs(formats): document harness compaction + capture real compaction fixtures Document how each agent harness records context compaction, correcting claims that were based on synthetic/outdated fixtures (verified against source and freshly captured real sessions): - claude-code: full compactMetadata shape (preservedSegment/ preservedMessages, postTokens, durationMs) + the duplicate-UUID re-emission known issue - codex: real `compacted` payload is {message, replacement_history}, not the synthetic {trigger, preTokens, summary}; trigger is analytics-only and never persisted - gemini: compresses in-memory but persists nothing (was "no compaction") - pi: Compaction entry fields; fromHook is extension-vs-default, not auto-vs-manual - opencode: stays one session, contiguous tail_start_id, no id reuse - README: cross-harness comparison; manual == auto record everywhere, only the trigger's visibility differs Capture script: add a compaction second pass per harness (claude `/compact`, codex tiny `model_context_window`, pi raised `reserveTokens`, opencode `summarize` route) writing convo-compacted.*, plus auto-delete of scratch sessions after capture (KEEP_SESSIONS=1 to opt out, SKIP_COMPACTION=1 to skip). Includes the captured fixtures. --- docs/agents/formats/README.md | 24 + .../agents/formats/claude-code/entry-types.md | 18 +- .../formats/claude-code/jsonl-envelope.md | 2 +- .../formats/claude-code/known-issues.md | 18 + .../formats/claude-code/session-chains.md | 50 +- docs/agents/formats/codex.md | 31 + docs/agents/formats/gemini.md | 21 + docs/agents/formats/opencode.md | 9 + docs/agents/formats/pi.md | 18 + scripts/capture-elicit-fixtures.sh | 288 +++- test-fixtures/claude/convo-compacted.jsonl | 71 + test-fixtures/claude/convo.jsonl | 134 +- test-fixtures/codex/convo-compacted.jsonl | 96 ++ test-fixtures/codex/convo.jsonl | 128 +- test-fixtures/gemini/convo.jsonl | 70 +- test-fixtures/opencode/convo-compacted.json | 1332 +++++++++++++++++ test-fixtures/opencode/convo.json | 950 +++++++----- test-fixtures/pi/convo-compacted.jsonl | 9 + test-fixtures/pi/convo.jsonl | 30 +- 19 files changed, 2613 insertions(+), 686 deletions(-) create mode 100644 test-fixtures/claude/convo-compacted.jsonl create mode 100644 test-fixtures/codex/convo-compacted.jsonl create mode 100644 test-fixtures/opencode/convo-compacted.json create mode 100644 test-fixtures/pi/convo-compacted.jsonl diff --git a/docs/agents/formats/README.md b/docs/agents/formats/README.md index cc01167..2f73963 100644 --- a/docs/agents/formats/README.md +++ b/docs/agents/formats/README.md @@ -49,6 +49,30 @@ loader's own undocumented strictness on what it will accept). The other three sit in single files because their formats are either simpler or sufficiently covered there. +## Compaction at a glance + +How each harness records context compaction (summarizing older turns to +stay under the window). Detail lives in each harness's doc. + +| Harness | Marker | New session/file? | Kept set | Duplicate-id hazard | +|---|---|---|---|---| +| Claude Code | `compact_boundary` + synthetic `isCompactSummary` user msg (inline) | no | `compactMetadata` enumerates a contiguous recent tail — **but** an early block is *also* re-emitted, so realized retention is non-contiguous | **yes** — the re-emitted block reuses UUIDs; dedupe keeping the first occurrence | +| Codex | `compacted` rollout line | no | opaque `summary` (wholesale replace) | no | +| opencode | `compaction` part (sets `time_compacting`) | no | contiguous tail via `tail_start_id` | no | +| Pi | `Compaction` entry on the id/parentId tree | no | contiguous tail via `firstKeptEntryId` | no | +| Gemini | — (compresses in-memory; nothing persisted) | — | — | no | + +Manual vs. automatic compaction produce the **same record** in every +harness; only the trigger's visibility differs (persisted by Claude and +opencode; analytics-only/absent for Codex and Pi; Gemini persists +nothing). Two takeaways that drive our derivation: (1) **no harness +starts a new session/entity for compaction** — it's always an inline +marker (session *rotation* is a separate mechanism); and (2) **only +Claude Code reuses ids at the boundary**, so it's the only harness that +needs a dedupe pass — everyone else marks compaction cleanly with +unique ids, or (Gemini) compresses only in-memory with nothing +persisted. + ## Conventions used in these docs - **"In the wild"** = observed in real JSONL files on disk, not just in types diff --git a/docs/agents/formats/claude-code/entry-types.md b/docs/agents/formats/claude-code/entry-types.md index b139aac..5757245 100644 --- a/docs/agents/formats/claude-code/entry-types.md +++ b/docs/agents/formats/claude-code/entry-types.md @@ -330,17 +330,23 @@ equivalent. "logicalParentUuid": "...", // the real prior message UUID "compactMetadata": { "trigger": "auto", // or "manual" - "preTokens": 180000 + "preTokens": 1008497, + "postTokens": 11528, // 2.1.x + "preservedSegment": { "headUuid": "...", "anchorUuid": "...", "tailUuid": "..." }, + "preservedMessages": { "anchorUuid": "...", "uuids": ["..."] } }, ... } ``` -Immediately followed by a synthetic `user`-role message with -`isCompactSummary: true` and `isVisibleInTranscriptOnly: true` -carrying the compacted summary as its content. See -[session-chains.md](session-chains.md) for how this interacts with -file rotation. +`compactMetadata` in current 2.1.x enumerates the verbatim-kept recent +tail (`preservedSegment` / `preservedMessages`); older versions carry +only `{trigger, preTokens}`. Immediately followed by a synthetic +`user`-role message with `isCompactSummary: true` and +`isVisibleInTranscriptOnly: true` carrying the compacted summary as its +content. See [session-chains.md](session-chains.md) for how this +interacts with file rotation, and for the **duplicate-UUID +re-emission** that can accompany a compaction. --- diff --git a/docs/agents/formats/claude-code/jsonl-envelope.md b/docs/agents/formats/claude-code/jsonl-envelope.md index 0a04996..533acb2 100644 --- a/docs/agents/formats/claude-code/jsonl-envelope.md +++ b/docs/agents/formats/claude-code/jsonl-envelope.md @@ -84,7 +84,7 @@ Every envelope field we have observed, in rough order of prominence: | `isCompactSummary` | bool | synthetic user message after `compact_boundary` | Always paired with `isVisibleInTranscriptOnly: true`. | | `isVisibleInTranscriptOnly` | bool | see above | Entry is visible in the UI but not replayed to the model. | | `logicalParentUuid` | UUID | `compact_boundary` | Points at the pre-compact last message. `parentUuid` is `null` on these. | -| `compactMetadata` | object | `compact_boundary` | `{trigger: "auto"|"manual", preTokens: number}`. | +| `compactMetadata` | object | `compact_boundary` | `{trigger: "auto"|"manual", preTokens}`; 2.1.x also carries `postTokens`, `durationMs`, and `preservedSegment`/`preservedMessages` enumerating the verbatim-kept recent tail. | | `thinkingMetadata` | object | some user entries | `{level, disabled, triggers[]}`. Indicates extended-thinking configuration. | ### Hook-injected fields diff --git a/docs/agents/formats/claude-code/known-issues.md b/docs/agents/formats/claude-code/known-issues.md index bc12f86..08430d7 100644 --- a/docs/agents/formats/claude-code/known-issues.md +++ b/docs/agents/formats/claude-code/known-issues.md @@ -49,6 +49,24 @@ snapshot. **Defense:** if continuity matters, checkpoint before compaction. +### Duplicate UUIDs at compaction boundaries + +In long `[1m]`-context sessions, an auto-compaction can re-emit an +earlier block of the conversation as fresh entries that **reuse the +original `uuid`s** (with re-threaded `parentUuid`s) in the run just +before the `compact_boundary`. The result is the **same `uuid` +appearing twice in one file** — violating the usual within-file +uniqueness assumption. This is what makes a naively-derived path carry +duplicate `step.id`s, which then fails any store with a +`(path, step_id)` primary key. + +**Defense:** dedupe by `uuid`, keeping the **first** occurrence — it +carries the true `parentUuid` lineage; the re-emitted copy is +re-parented into a synthetic linear chain and should be dropped. The +re-emitted block is *not* the same as `compactMetadata.preservedMessages` +(which enumerates only the recent kept tail). See +[session-chains.md §Re-emitted messages with duplicate UUIDs](session-chains.md#re-emitted-messages-with-duplicate-uuids). + ## Race conditions ### Multi-terminal writes to the same project diff --git a/docs/agents/formats/claude-code/session-chains.md b/docs/agents/formats/claude-code/session-chains.md index b14406f..1bba4a8 100644 --- a/docs/agents/formats/claude-code/session-chains.md +++ b/docs/agents/formats/claude-code/session-chains.md @@ -134,10 +134,21 @@ The JSONL records this inline with a `compact_boundary` entry. "type": "compact_boundary", // or "system" with "subtype": "compact_boundary" "uuid": "...", "parentUuid": null, // always null on the boundary - "logicalParentUuid": "...", // points at the real prior message + "logicalParentUuid": "...", // == preservedSegment.tailUuid (the kept tail's last message) "compactMetadata": { "trigger": "auto", // "auto" or "manual" (user ran /compact) - "preTokens": 180000 // conversation size before compaction + "preTokens": 1008497, // conversation size before compaction + "postTokens": 11528, // size after the summary replaced the middle + "durationMs": 106367, // how long the compaction pass took + "preservedSegment": { // the recent tail kept verbatim + "headUuid": "...", // first kept message + "anchorUuid": "...", // == the synthetic summary's uuid (below) + "tailUuid": "..." // last kept message (== logicalParentUuid) + }, + "preservedMessages": { // explicit enumeration of the kept tail + "anchorUuid": "...", + "uuids": ["...", "..."] // every uuid in [headUuid .. tailUuid] + } }, "sessionId": "...", "timestamp": "..." @@ -148,6 +159,14 @@ Key property: `parentUuid` is `null`, resetting the DAG. The actual prior message is referenced via `logicalParentUuid` so UIs can still render the pre-compact history. +`compactMetadata` is richer than just `{trigger, preTokens}` — current +2.1.x boundaries enumerate **exactly which messages survived**: +`preservedSegment` gives the contiguous recent tail (`headUuid` → +`tailUuid`), and `preservedMessages.uuids` lists every uuid in it. The +`anchorUuid` is the synthetic summary message's own uuid. Older +versions emit only `{trigger, preTokens}` with no preserved-set +detail, so treat the segment fields as optional. + ### The synthetic summary Immediately after the boundary, a synthetic `user`-role message carries @@ -177,6 +196,33 @@ When rendering a transcript, skip these synthetic summary entries or mark them specially; treating them as real user messages will confuse consumers. +### Re-emitted messages with duplicate UUIDs + +Observed in long `[1m]`-context 2.1.x sessions that auto-compact a +>1M-token conversation: in the run of entries **immediately before** +the `compact_boundary`, Claude re-materializes an earlier block of the +conversation (e.g. the original task and setup turns) as fresh entries +that **reuse the original `uuid`s**, with `parentUuid` chains +re-threaded into a synthetic linear sequence. So a single file can +contain the same `uuid` twice — once in its original position early in +the file, once in this re-emitted block. + +These re-emitted entries: +- are **not** listed in `compactMetadata.preservedMessages` (that lists + only the recent tail) — so they are a separate phenomenon from the + marked preserved segment; +- carry the same `uuid` but a **different** `parentUuid` than their + earlier counterpart (the original has the true lineage; the copy is + re-parented linearly); +- sit between the preserved tail and the boundary marker. + +This breaks the usual "uuid is unique within a file" assumption. A +consumer that keys on `uuid` (or stores steps under a `(file, uuid)` +primary key) **must dedupe** — keep the **first** occurrence, which +carries the real `parentUuid` lineage; the re-emitted copies are the +ones to drop. See [known-issues.md §Duplicate UUIDs at compaction +boundaries](known-issues.md#duplicate-uuids-at-compaction-boundaries). + ### Compaction strategies Several compaction strategies exist internally: diff --git a/docs/agents/formats/codex.md b/docs/agents/formats/codex.md index 9734c35..999d342 100644 --- a/docs/agents/formats/codex.md +++ b/docs/agents/formats/codex.md @@ -175,6 +175,37 @@ pub enum RolloutItem { | `session_state` | Mid-session state updates (e.g. model switch) | 0 | | `compacted` | Inserted when Codex compacts history mid-session | 0 | +### `compacted` — context compaction + +When Codex compacts mid-session it appends a single `compacted` line to +the **same rollout file** — no new file, no new session id: + +```json +{"type":"compacted","payload":{"message":"…summary text…","replacement_history":[…],"window_id":1}} +``` + +Per current Codex `main` (`codex-rs/protocol/src/protocol.rs`, +`CompactedItem`), `payload` is `{message, replacement_history?, +window_id?}`: `message` is the summary text, `replacement_history` is +the new condensed history that replaces the old, `window_id` is the +auto-compact window counter. **There is no `trigger`, `preTokens`, or +`summary` field** — manual `/compact` and automatic (overflow) +compaction write an **identical** record; the manual/auto distinction +(`CompactionTrigger`) is analytics-only and never persisted to the +rollout. (A separate field-less `event_msg` `ContextCompacted` is also +written — "either automatically or manually".) + +The turns on either side keep their original ids — Codex does **not** +replay or re-id messages across the boundary, so there's no +duplicate-id hazard. `toolpath-codex` treats the payload as opaque and +currently drops it (see `tests/compaction_roundtrip.rs`); the +surrounding turns survive intact. + +> Note: the repo fixture `tests/fixtures/compacted_session.jsonl` uses +> an older/synthetic `{trigger, preTokens, summary}` payload that does +> **not** match current Codex. Because the payload is parsed opaquely +> this doesn't affect derivation, but the fixture isn't representative. + ## `session_meta` — first line of every file ```json diff --git a/docs/agents/formats/gemini.md b/docs/agents/formats/gemini.md index 3fa8cfc..3e7f0e1 100644 --- a/docs/agents/formats/gemini.md +++ b/docs/agents/formats/gemini.md @@ -505,6 +505,27 @@ overflow or plan-mode transitions. Each session is exactly one starts, a new `session-*.json` is created. There is no chain index to follow. +## Compaction — in-memory only, never persisted + +Gemini CLI **does** compress context — automatically when token usage +crosses a configurable threshold, and manually via `/compress` (aliases +`summarize`/`compact`). Both go through the same +`tryCompressChat` / `ChatCompressionService.compress` path, differing +only by a `force` flag (manual forces; auto gates on the threshold). + +But compression is **purely in-memory**. No summary, boundary, or +marker is ever written to the session file — and, per a known +gemini-cli bug (issues #20803 / #21335), the on-disk file isn't even +updated to the compressed state: it retains the **full pre-compression +history**. So a derivation reading the session file always sees the +complete, uncompressed conversation with no compaction event in it. + +Net for us: still **no compaction provenance to model** and no +duplicate-id hazard — but the reason is "compresses but persists +nothing," not "no compaction mechanism." (The `summary` field on the +format remains a sub-agent's reported result — see +[§Sub-agents](#sub-agents) — not a context summary.) + ## Timestamps and encoding - All timestamps are ISO-8601 UTC with millisecond precision and a diff --git a/docs/agents/formats/opencode.md b/docs/agents/formats/opencode.md index f4c7f84..e1f6d0a 100644 --- a/docs/agents/formats/opencode.md +++ b/docs/agents/formats/opencode.md @@ -516,6 +516,15 @@ context window. Messages before `tail_start_id` are summarized into a single synthetic user message; the history above the marker is kept in the DB for reverts. +Compaction stays **within one session** — it sets the session row's +`time_compacting` timestamp but does not create a new session row. +(`session.parent_id` is for forked sub-agent sessions, not +compaction.) `tail_start_id` is a single anchor describing a +**contiguous** kept tail — everything from it forward survives, so +there is no non-contiguous "pinned" retention here. Message and part +ids are **not** reused across the boundary, so opencode compaction +carries no duplicate-id hazard. + ## Tool catalogue A reader should not enumerate tool names — any agent config can diff --git a/docs/agents/formats/pi.md b/docs/agents/formats/pi.md index ca1d77e..fb9d5b7 100644 --- a/docs/agents/formats/pi.md +++ b/docs/agents/formats/pi.md @@ -79,6 +79,24 @@ Tagged by `type`. Every non-session entry shares an [`EntryBase`] Future entry types should round-trip via `extra` — Pi has added variants between minor versions. +#### `compaction` entry fields + +The `Compaction` entry (`crates/toolpath-pi/src/types.rs`) carries: + +| Field | Type | Notes | +|---|---|---| +| `summary` | string | The summary that replaces the discarded prefix. | +| `firstKeptEntryId` | string | First entry **not** discarded — everything before it was summarized. A single contiguous-tail anchor. | +| `tokensBefore` | u64 | Context token count before compaction. | +| `details` | object? | Optional opaque detail. | +| `fromHook` | bool? | `true` if an **extension** supplied the summary (via the `session_before_compact` hook); `false`/absent for Pi's default compaction. **Not** an auto-vs-manual flag — manual `/compact` and automatic compaction both use Pi's default path and produce the same entry. (Legacy field name.) | + +Compaction is an **in-file** marker on the existing id/parentId tree — +it does **not** start a new session or reuse entry ids, so there's no +duplicate-id hazard. (The separate `parentSession` header field links a +*forked/resumed* session to a parent file; that is unrelated to +compaction.) + ### Message roles `message` entries wrap an `AgentMessage` discriminated by `role`: diff --git a/scripts/capture-elicit-fixtures.sh b/scripts/capture-elicit-fixtures.sh index 8adab71..e775911 100755 --- a/scripts/capture-elicit-fixtures.sh +++ b/scripts/capture-elicit-fixtures.sh @@ -6,7 +6,9 @@ # # Drive each available harness through docs/agents/feature-elicit.prompt.txt # in a fresh scratch directory and copy the resulting session file into -# test-fixtures// at the workspace root. +# test-fixtures// at the workspace root. Then run a second pass +# that forces a context COMPACTION and captures it as +# test-fixtures//convo-compacted.. # # Run from a logged-in shell that already has each harness's CLI # installed and authenticated. Harnesses whose CLIs aren't on PATH are @@ -15,12 +17,25 @@ # Usage: # ./scripts/capture-elicit-fixtures.sh # all harnesses # ./scripts/capture-elicit-fixtures.sh claude codex # specific subset +# +# Env opt-outs: +# KEEP_SESSIONS=1 keep the scratch sessions in each agent's history +# (default: delete them after capture) +# SKIP_COMPACTION=1 capture only the base convo.* fixtures, no compaction +# +# Compaction is forced per harness (see drivers): Claude honors `/compact` +# in continue+print mode; Codex auto-compacts when resumed with a tiny +# `model_context_window`; Pi auto-compacts when `reserveTokens` is raised; +# opencode is summarized via its headless HTTP server. Gemini compresses +# only in memory and persists nothing, so it has no compaction fixture. set -euo pipefail REPO_ROOT="$(cd "$(dirname "$0")/.." && pwd)" PROMPT_FILE="$REPO_ROOT/docs/agents/feature-elicit.prompt.txt" FIXTURES_ROOT="$REPO_ROOT/test-fixtures" +KEEP_SESSIONS="${KEEP_SESSIONS:-0}" +SKIP_COMPACTION="${SKIP_COMPACTION:-0}" if [[ ! -f "$PROMPT_FILE" ]]; then echo "missing prompt: $PROMPT_FILE" >&2 @@ -34,12 +49,24 @@ SELECTED=("${@:-${ALL_HARNESSES[@]}}") # Fresh scratch dir per harness so they can't see each other's files. SCRATCH_BASE="$(mktemp -d -t toolpath-elicit.XXXXXX)" echo "scratch base: $SCRATCH_BASE" +[[ "$KEEP_SESSIONS" == "1" ]] && echo "KEEP_SESSIONS=1 — scratch sessions will be left in agent histories" +[[ "$SKIP_COMPACTION" == "1" ]] && echo "SKIP_COMPACTION=1 — capturing base fixtures only" echo -# Files-newer-than marker, set just before each harness runs so we can -# diff its session storage afterwards and pick out the newly written -# session file. Only `find -newer` is portable across macOS and Linux -# without ctime tricks. +# Safety net: if the Pi driver patched settings.json and the script dies +# mid-pass, restore it on exit. Format: "::". +PI_SETTINGS_RESTORE="" +on_exit() { + if [[ -n "${PI_SETTINGS_RESTORE:-}" ]]; then + local bak="${PI_SETTINGS_RESTORE%%::*}" dst="${PI_SETTINGS_RESTORE##*::}" + [[ -f "$bak" ]] && cp "$bak" "$dst" + fi +} +trap on_exit EXIT + +# Files-newer-than marker, set just before a step runs so we can diff +# session storage afterwards and pick out the newly written file. Only +# `find -newer` is portable across macOS and Linux without ctime tricks. mark() { local marker="$1" : > "$marker" @@ -47,35 +74,41 @@ mark() { } newest_under() { - local dir="$1" - local pattern="$2" - local marker="$3" - if [[ ! -d "$dir" ]]; then - return 1 - fi - find "$dir" -type f -name "$pattern" -newer "$marker" -print 2>/dev/null \ - | head -1 + local dir="$1" pattern="$2" marker="$3" + [[ -d "$dir" ]] || return 1 + find "$dir" -type f -name "$pattern" -newer "$marker" -print 2>/dev/null | head -1 } -# Tail the last 10 lines of a captured stderr file with a leading indent -# so it's visually nested under the harness's FAIL line. dump_log() { local log="$1" - if [[ -f "$log" ]]; then - sed 's/^/ │ /' < "$log" | tail -10 - fi + [[ -f "$log" ]] && sed 's/^/ │ /' < "$log" | tail -10 +} + +# Remove scratch sessions created during this run, unless KEEP_SESSIONS=1. +# Accepts a harness label followed by paths (files or dirs) to delete. +cleanup_paths() { + local name="$1"; shift + [[ "$KEEP_SESSIONS" == "1" ]] && return 0 + local removed=0 p + for p in "$@"; do + [[ -n "$p" && -e "$p" ]] && rm -rf "$p" && removed=1 + done + [[ "$removed" == "1" ]] && echo "$name: cleaned scratch session(s)" + return 0 } # ── Harness drivers ────────────────────────────────────────────────── # # Each driver: # 1. cd's into a fresh scratch dir -# 2. snapshots its session storage location with a marker file -# 3. invokes its CLI in non-interactive prompt mode -# 4. finds the new session file and copies it into fixtures// +# 2. snapshots its session storage location +# 3. invokes its CLI in non-interactive prompt mode (base fixture) +# 4. forces a compaction and captures convo-compacted.* (unless SKIP_COMPACTION) +# 5. deletes the scratch session(s) from the agent's history (unless KEEP_SESSIONS) # -# Edit the invocation lines if your harness version uses different -# flags; the driver shape stays the same. +# Edit the invocation lines if your harness version uses different flags; +# the driver shape stays the same. Compaction passes are best-effort: a +# failure warns and continues without aborting the base capture. drive_claude() { if ! command -v claude >/dev/null; then @@ -84,27 +117,21 @@ drive_claude() { local scratch="$SCRATCH_BASE/claude"; mkdir -p "$scratch"; cd "$scratch" # Snapshot existing project dirs before the run; whichever appears # afterward is the scratch's project dir. Claude sanitizes the cwd - # path into the dir name (replacing `/`, `.`, and other punctuation - # with `-`), and the exact rule isn't documented; snapshot-diff - # avoids hard-coding it. + # path into the dir name; snapshot-diff avoids hard-coding the rule. local projs_before projs_before="$(ls -1 "$HOME/.claude/projects" 2>/dev/null | sort)" local log="$scratch/.stderr.log" echo "claude: running…" if ! claude -p "$PROMPT" >/dev/null 2> "$log"; then - echo "claude: FAIL (CLI returned non-zero)" - dump_log "$log" - return 1 + echo "claude: FAIL (CLI returned non-zero)"; dump_log "$log"; return 1 fi - local projs_after + local projs_after new_proj projs_after="$(ls -1 "$HOME/.claude/projects" 2>/dev/null | sort)" - local new_proj new_proj="$(comm -13 <(echo "$projs_before") <(echo "$projs_after") | head -1)" if [[ -z "$new_proj" ]]; then echo "claude: FAIL (no new project dir under ~/.claude/projects)"; return 1 fi - local proj_dir="$HOME/.claude/projects/$new_proj" - local session + local proj_dir="$HOME/.claude/projects/$new_proj" session session="$(ls -1t "$proj_dir"/*.jsonl 2>/dev/null | head -1)" if [[ -z "$session" ]]; then echo "claude: FAIL (no session file under $proj_dir)"; return 1 @@ -112,6 +139,25 @@ drive_claude() { mkdir -p "$FIXTURES_ROOT/claude" cp "$session" "$FIXTURES_ROOT/claude/convo.jsonl" echo "claude: OK → test-fixtures/claude/convo.jsonl" + + # ── compaction: `/compact` is honored in continue (-c) + print (-p) + # mode and appends a compact_boundary + synthetic summary to the same + # session file. ── + if [[ "$SKIP_COMPACTION" != "1" ]]; then + if claude -c -p "/compact" /dev/null 2>&1; then + local cfile + cfile="$(grep -l compact_boundary "$proj_dir"/*.jsonl 2>/dev/null | head -1)" + if [[ -n "$cfile" ]]; then + cp "$cfile" "$FIXTURES_ROOT/claude/convo-compacted.jsonl" + echo "claude: OK → test-fixtures/claude/convo-compacted.jsonl" + else + echo "claude: WARN (no compact_boundary after /compact; skipped compacted fixture)" + fi + else + echo "claude: WARN (/compact failed; skipped compacted fixture)" + fi + fi + cleanup_paths claude "$proj_dir" } drive_codex() { @@ -121,16 +167,10 @@ drive_codex() { local scratch="$SCRATCH_BASE/codex"; mkdir -p "$scratch"; cd "$scratch" local marker="$scratch/.marker"; mark "$marker" echo "codex: running…" - # `--cd` pins workdir (without it codex resets to the nearest git ancestor). - # `--skip-git-repo-check` avoids the "trusted directory" gate. - # `-s workspace-write` lets the model write files in cwd. - # `/dev/null 2> "$log"; then - echo "codex: FAIL (CLI returned non-zero)" - dump_log "$log" - return 1 + echo "codex: FAIL (CLI returned non-zero)"; dump_log "$log"; return 1 fi local session session="$(newest_under "$HOME/.codex/sessions" "rollout-*.jsonl" "$marker")" @@ -140,6 +180,29 @@ drive_codex() { mkdir -p "$FIXTURES_ROOT/codex" cp "$session" "$FIXTURES_ROOT/codex/convo.jsonl" echo "codex: OK → test-fixtures/codex/convo.jsonl" + + # ── compaction: resuming with a tiny `model_context_window` makes the + # next turn exceed it and auto-compact. The resume forks a new rollout + # that carries the full history plus a `compacted` item. ── + local compacted="" + if [[ "$SKIP_COMPACTION" != "1" ]]; then + local mk2="$scratch/.marker2"; mark "$mk2" + if codex exec --skip-git-repo-check --cd "$scratch" -s workspace-write \ + -c model_context_window=4000 resume --last "Reply with the single word: ok." \ + /dev/null 2>&1; then + compacted="$(newest_under "$HOME/.codex/sessions" "rollout-*.jsonl" "$mk2")" + if [[ -n "$compacted" ]] && grep -q '"type":"compacted"' "$compacted"; then + cp "$compacted" "$FIXTURES_ROOT/codex/convo-compacted.jsonl" + echo "codex: OK → test-fixtures/codex/convo-compacted.jsonl" + else + echo "codex: WARN (no compacted item after resume; skipped compacted fixture)" + compacted="" + fi + else + echo "codex: WARN (resume failed; skipped compacted fixture)" + fi + fi + cleanup_paths codex "$session" "$compacted" } drive_gemini() { @@ -147,45 +210,37 @@ drive_gemini() { echo "gemini: SKIP (not on PATH)"; return 0 fi local scratch="$SCRATCH_BASE/gemini"; mkdir -p "$scratch"; cd "$scratch" - # Snapshot existing slot dirs before the run; whichever appears - # afterward is the slot for this scratch (gemini disambiguates by - # appending `-N` when a basename collides, so we can't predict it). local slots_before slots_before="$(ls -1 "$HOME/.gemini/tmp" 2>/dev/null | sort)" echo "gemini: running…" local log="$scratch/.stderr.log" if ! gemini --skip-trust --yolo -p "$PROMPT" /dev/null 2> "$log"; then - echo "gemini: FAIL (CLI returned non-zero)" - dump_log "$log" - return 1 + echo "gemini: FAIL (CLI returned non-zero)"; dump_log "$log"; return 1 fi - local slots_after + local slots_after new_slot slots_after="$(ls -1 "$HOME/.gemini/tmp" 2>/dev/null | sort)" - local new_slot new_slot="$(comm -13 <(echo "$slots_before") <(echo "$slots_after") | head -1)" if [[ -z "$new_slot" ]]; then echo "gemini: FAIL (no new slot under ~/.gemini/tmp)"; return 1 fi - local chats_dir="$HOME/.gemini/tmp/$new_slot/chats" - local session + local chats_dir="$HOME/.gemini/tmp/$new_slot/chats" session session="$(ls -1 "$chats_dir"/session-*.jsonl 2>/dev/null | head -1)" - if [[ -z "$session" ]]; then - session="$(ls -1 "$chats_dir"/session-*.json 2>/dev/null | head -1)" - fi + [[ -z "$session" ]] && session="$(ls -1 "$chats_dir"/session-*.json 2>/dev/null | head -1)" if [[ -z "$session" ]]; then echo "gemini: FAIL (no session file under $chats_dir)"; return 1 fi mkdir -p "$FIXTURES_ROOT/gemini" local out_ext="${session##*.}" cp "$session" "$FIXTURES_ROOT/gemini/convo.${out_ext}" - # Sub-agent sibling dir lands next to the main file; copy it too if present. - local stem - stem="$(basename "$session" ".${out_ext}")" + local stem; stem="$(basename "$session" ".${out_ext}")" local sub_dir="$chats_dir/${stem#session-}" - if [[ -d "$sub_dir" ]]; then - cp -r "$sub_dir" "$FIXTURES_ROOT/gemini/" - fi + [[ -d "$sub_dir" ]] && cp -r "$sub_dir" "$FIXTURES_ROOT/gemini/" echo "gemini: OK → test-fixtures/gemini/convo.${out_ext}" + + # Gemini compresses context only in memory and never writes a marker + # to disk, so there is no compaction fixture to capture. + [[ "$SKIP_COMPACTION" != "1" ]] && echo "gemini: (no compaction persisted on disk — none to capture)" + cleanup_paths gemini "$HOME/.gemini/tmp/$new_slot" } drive_pi() { @@ -196,25 +251,19 @@ drive_pi() { local projs_before projs_before="$(ls -1 "$HOME/.pi/agent/sessions" 2>/dev/null | sort)" echo "pi: running…" - # Pi's non-interactive flag varies by version; `-p` is the - # best-guess default. If your version uses something different, - # edit this line. local log="$scratch/.stderr.log" # pi prints provider/auth errors to stdout, not stderr; capture both. if ! pi -p "$PROMPT" "$log" 2>&1; then echo "pi: FAIL (CLI returned non-zero — see docs/agents/feature-elicit.md for the manual workflow)" - dump_log "$log" - return 1 + dump_log "$log"; return 1 fi - local projs_after + local projs_after new_proj projs_after="$(ls -1 "$HOME/.pi/agent/sessions" 2>/dev/null | sort)" - local new_proj new_proj="$(comm -13 <(echo "$projs_before") <(echo "$projs_after") | head -1)" if [[ -z "$new_proj" ]]; then echo "pi: FAIL (no new project dir under ~/.pi/agent/sessions)"; return 1 fi - local proj_dir="$HOME/.pi/agent/sessions/$new_proj" - local session + local proj_dir="$HOME/.pi/agent/sessions/$new_proj" session session="$(ls -1t "$proj_dir"/*.jsonl 2>/dev/null | head -1)" if [[ -z "$session" ]]; then echo "pi: FAIL (no session file under $proj_dir)"; return 1 @@ -222,6 +271,39 @@ drive_pi() { mkdir -p "$FIXTURES_ROOT/pi" cp "$session" "$FIXTURES_ROOT/pi/convo.jsonl" echo "pi: OK → test-fixtures/pi/convo.jsonl" + + # ── compaction: Pi auto-compacts when context exceeds + # `contextWindow - compaction.reserveTokens`. Temporarily raise + # reserveTokens so the next turn compacts; restore settings after + # (the EXIT trap is a safety net if we die mid-pass). ── + if [[ "$SKIP_COMPACTION" != "1" ]]; then + local settings="$HOME/.pi/agent/settings.json" bak + if [[ -f "$settings" ]]; then + bak="$(mktemp)"; cp "$settings" "$bak" + PI_SETTINGS_RESTORE="$bak::$settings" + python3 - "$settings" <<'PY' || true +import json,sys +p=sys.argv[1] +try: d=json.load(open(p)) +except Exception: d={} +d["compaction"]={"enabled":True,"reserveTokens":10000000,"keepRecentTokens":400} +json.dump(d,open(p,"w"),indent=2) +PY + pi -c -p "Now print the single word: done." /dev/null 2>&1 || true + cp "$bak" "$settings"; rm -f "$bak"; PI_SETTINGS_RESTORE="" # restore now + local cfile + cfile="$(grep -l '"type":"compaction"' "$proj_dir"/*.jsonl 2>/dev/null | head -1)" + if [[ -n "$cfile" ]]; then + cp "$cfile" "$FIXTURES_ROOT/pi/convo-compacted.jsonl" + echo "pi: OK → test-fixtures/pi/convo-compacted.jsonl" + else + echo "pi: WARN (no compaction entry after forced auto-compact; skipped compacted fixture)" + fi + else + echo "pi: WARN (no settings.json to tune; skipped compacted fixture)" + fi + fi + cleanup_paths pi "$proj_dir" } drive_opencode() { @@ -229,29 +311,77 @@ drive_opencode() { echo "opencode: SKIP (not on PATH)"; return 0 fi local scratch="$SCRATCH_BASE/opencode"; mkdir -p "$scratch"; cd "$scratch" + local db="$HOME/.local/share/opencode/opencode.db" echo "opencode: running…" - # `--format json` makes opencode emit structured events with explicit - # `sessionID` fields, easy to extract with grep. Sessions live in - # SQLite, so snapshot-diff doesn't apply; we get the id, then dump - # via `opencode export ` which writes JSON to stdout (with a - # chatty header on stderr we discard). - local log="$scratch/.stderr.log" - local run_out + local log="$scratch/.stderr.log" run_out if ! run_out="$(opencode run --format json "$PROMPT" "$log")"; then - echo "opencode: FAIL (opencode run returned non-zero)" - dump_log "$log" - return 1 + echo "opencode: FAIL (opencode run returned non-zero)"; dump_log "$log"; return 1 fi local session_id session_id="$(printf '%s\n' "$run_out" | grep -oE 'ses_[A-Za-z0-9]+' | head -1)" + # Fallback: the newest session row in the DB (run output format varies by version). + [[ -z "$session_id" ]] && session_id="$(sqlite3 "$db" "select id from session order by time_created desc limit 1" 2>/dev/null)" if [[ -z "$session_id" ]]; then - echo "opencode: FAIL (no ses_… id found in run output)"; return 1 + echo "opencode: FAIL (could not determine ses_… id)"; return 1 fi mkdir -p "$FIXTURES_ROOT/opencode" if ! opencode export "$session_id" 2>/dev/null > "$FIXTURES_ROOT/opencode/convo.json"; then echo "opencode: FAIL (opencode export $session_id failed)"; return 1 fi echo "opencode: OK → test-fixtures/opencode/convo.json" + + # ── compaction: opencode's headless server exposes the same summarize + # the TUI `/compact` calls. Start a server, POST summarize with the + # provider/model the session used, then re-export. ── + if [[ "$SKIP_COMPACTION" != "1" ]]; then + local pm prov modl + pm="$(sqlite3 "$db" "select data from message where session_id='$session_id' order by time_created desc limit 8" 2>/dev/null | python3 -c " +import sys,json +prov=modl='' +for line in sys.stdin: + line=line.strip() + if not line: continue + try: d=json.loads(line) + except Exception: continue + def w(o): + global prov,modl + if isinstance(o,dict): + for k,v in o.items(): + if k=='providerID' and isinstance(v,str) and not prov: prov=v + if k=='modelID' and isinstance(v,str) and not modl: modl=v + w(v) + elif isinstance(o,list): + [w(x) for x in o] + w(d) +print(prov+'|'+modl) +" 2>/dev/null)" + prov="${pm%%|*}"; modl="${pm##*|}" + if [[ -n "$prov" && -n "$modl" ]]; then + local port=7771 + opencode serve --port "$port" >/dev/null 2>&1 & + local svpid=$! + local up=0 + for _ in $(seq 1 40); do curl -s "http://127.0.0.1:$port/app" >/dev/null 2>&1 && { up=1; break; }; sleep 0.5; done + if [[ "$up" == "1" ]]; then + curl -s -X POST "http://127.0.0.1:$port/session/$session_id/summarize" \ + -H 'content-type: application/json' \ + -d "{\"providerID\":\"$prov\",\"modelID\":\"$modl\"}" >/dev/null 2>&1 || true + sleep 8 + fi + kill "$svpid" 2>/dev/null || true + if opencode export "$session_id" 2>/dev/null | grep -qE '"type": *"compaction"'; then + opencode export "$session_id" 2>/dev/null > "$FIXTURES_ROOT/opencode/convo-compacted.json" + echo "opencode: OK → test-fixtures/opencode/convo-compacted.json" + else + echo "opencode: WARN (summarize produced no compaction part; skipped compacted fixture)" + fi + else + echo "opencode: WARN (could not resolve provider/model; skipped compacted fixture)" + fi + fi + if [[ "$KEEP_SESSIONS" != "1" ]]; then + opencode session delete "$session_id" >/dev/null 2>&1 && echo "opencode: cleaned scratch session(s)" + fi } # ── Driver dispatch ────────────────────────────────────────────────── diff --git a/test-fixtures/claude/convo-compacted.jsonl b/test-fixtures/claude/convo-compacted.jsonl new file mode 100644 index 0000000..556da1a --- /dev/null +++ b/test-fixtures/claude/convo-compacted.jsonl @@ -0,0 +1,71 @@ +{"type":"queue-operation","operation":"enqueue","timestamp":"2026-06-10T18:40:50.720Z","sessionId":"c07efcc2-c931-4e4e-bc2c-b14ded596469","content":"You're going to walk through a small set of tasks designed to exercise every common tool category. Stay inside the current working directory — do not touch anything outside it. Take the steps in order. Briefly think out loud before each tool call so the reasoning is captured. Tool-selection rule: if a step mentions a dedicated tool *and* that tool is available to you, use it; otherwise, use whatever shell-based equivalent you have (e.g. `ls`, `cat`, `sed`, `find`, `grep`). Don't skip steps because a dedicated tool is missing.\n\n1. List the files in the current directory (prefer a dedicated list/directory tool; `bash ls` is fine).\n2. Using a dedicated write/create-file tool if available (otherwise a shell heredoc), write `notes.md` with exactly these two lines:\n scratch — feature elicitation\n this file will be edited and searched.\n3. Read `notes.md` back using a dedicated read-file tool (preferred) or `bash cat`. Confirm both lines are present.\n4. Using a dedicated edit/replace/string-replace tool if available (otherwise `sed -i` or rewrite via the write tool), change the word \"scratch\" to \"fixture\" in `notes.md`.\n5. Find every file in the current directory whose name starts with \"note\". Prefer a dedicated glob/find-files tool; otherwise `bash find . -maxdepth 1 -name 'note*'`.\n6. Search the contents of files in the current directory for the word \"fixture\". Prefer a dedicated grep/content-search tool; otherwise `bash grep -r fixture .`. It should appear in `notes.md`.\n7. Read a file that does not exist: `does-not-exist.txt`. Use a read-file tool (or `cat does-not-exist.txt`) — the call MUST fail and the failure MUST be reported as a tool result, not silently swallowed. Acknowledge the error in one sentence and move on.\n8. Write a shell script `count.sh` that prints the numbers 1 through 5 on separate lines (one `echo` per line is fine). Run it with `bash count.sh` and confirm the output is exactly five lines.\n9. If you have a sub-agent / task-dispatch tool available (Claude `Task`, Gemini sub-agents, Codex sub-tasks, opencode subtask, etc.), dispatch a sub-agent with this exact instruction: \"Count the words in `notes.md` and report the number.\" Wait for the sub-agent's reply and quote its result in one sentence. If no such tool is available, skip this step and say so explicitly.\n10. Briefly summarize in 2–3 sentences what you did. Stop without asking for further work."} +{"type":"queue-operation","operation":"dequeue","timestamp":"2026-06-10T18:40:50.721Z","sessionId":"c07efcc2-c931-4e4e-bc2c-b14ded596469"} +{"parentUuid":null,"isSidechain":false,"promptId":"d0f56170-8c85-47cd-99c6-6302db4e0d72","type":"user","message":{"role":"user","content":"You're going to walk through a small set of tasks designed to exercise every common tool category. Stay inside the current working directory — do not touch anything outside it. Take the steps in order. 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Use this when you need to plan the implementation strategy for a task. Returns step-by-step plans, identifies critical files, and considers architectural trade-offs. (Tools: All tools except Agent, ExitPlanMode, Edit, Write, NotebookEdit)","- statusline-setup: Use this agent to configure the user's Claude Code status line setting. (Tools: Read, Edit)"],"removedTypes":[],"isInitial":true,"showConcurrencyNote":true},"type":"attachment","uuid":"ac803354-8520-4fad-8b93-6acdc5e5c68a","timestamp":"2026-06-10T18:40:50.731Z","userType":"external","entrypoint":"sdk-cli","cwd":"/private/var/folders/jk/4rycn96j1rdbj2mz275yv11m0000gn/T/toolpath-elicit.7HDqFK/claude","sessionId":"c07efcc2-c931-4e4e-bc2c-b14ded596469","version":"2.1.170","gitBranch":"HEAD"} +{"parentUuid":"ac803354-8520-4fad-8b93-6acdc5e5c68a","isSidechain":false,"attachment":{"type":"skill_listing","content":"- deep-research: Deep research harness — fan-out web searches, fetch sources, adversarially verify claims, synthesize a cited report. - When the user wants a deep, multi-source, fact-checked research report on any topic. BEFORE invoking, check if the question is specific enough to research directly — if underspecified (e.g., \"what car to buy\" without budget/use-case/region), ask 2-3 clarifying questions to narrow scope. Then pass the refined question as args, weaving the answers in.\n- update-config: Use this skill to configure the Claude Code harness via settings.json. Automated behaviors (\"from now on when X\", \"each time X\", \"whenever X\", \"before/after X\") require hooks configured in settings.json - the harness executes these, not Claude, so memory/preferences cannot fulfill them. Also use for: permissions (\"allow X\", \"add permission\", \"move permission to\"), env vars (\"set X=Y\"), hook troubleshooting, or any changes to settings.json/settings.local.json files. Examples: \"allow npm commands\", \"add bq permission to global settings\", \"move permission to user settings\", \"set DEBUG=true\", \"when claude stops show X\". For simple settings like theme/model, suggest the /config command.\n- keybindings-help: Use when the user wants to customize keyboard shortcuts, rebind keys, add chord bindings, or modify ~/.claude/keybindings.json. Examples: \"rebind ctrl+s\", \"add a chord shortcut\", \"change the submit key\", \"customize keybindings\".\n- verify: Verify that a code change actually does what it's supposed to by running the app and observing behavior. Use when asked to verify a PR, confirm a fix works, test a change manually, check that a feature works, or validate local changes before pushing.\n- code-review: Review the current diff for correctness bugs and reuse/simplification/efficiency cleanups at the given effort level (low/medium: fewer, high-confidence findings; high→max: broader coverage, may include uncertain findings; ultra: deep multi-agent review in the cloud). Pass --comment to post findings as inline PR comments, or --fix to apply the findings to the working tree after the review.\n- simplify: Review the changed code for reuse, simplification, efficiency, and altitude cleanups, then apply the fixes. Quality only — it does not hunt for bugs; use /code-review for that.\n- fewer-permission-prompts: Scan your transcripts for common read-only Bash and MCP tool calls, then add a prioritized allowlist to project .claude/settings.json to reduce permission prompts.\n- loop: Run a prompt or slash command on a recurring interval (e.g. /loop 5m /foo). Omit the interval to let the model self-pace. - When the user wants to set up a recurring task, poll for status, or run something repeatedly on an interval (e.g. \"check the deploy every 5 minutes\", \"keep running /babysit-prs\"). Do NOT invoke for one-off tasks.\n- schedule: Create, update, list, or run scheduled cloud agents (routines) that execute on a cron schedule. - When the user wants to schedule a recurring cloud agent, set up automated tasks, create a cron job for Claude Code, or manage their scheduled agents/routines. 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I'll dispatch one with the exact instruction, including the file's absolute path so it can locate `notes.md`."}],"stop_reason":"tool_use","stop_sequence":null,"stop_details":null,"usage":{"input_tokens":2,"cache_creation_input_tokens":134,"cache_read_input_tokens":24027,"output_tokens":670,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":134,"ephemeral_5m_input_tokens":0},"inference_geo":"not_available","iterations":[{"input_tokens":2,"output_tokens":670,"cache_read_input_tokens":24027,"cache_creation_input_tokens":134,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":134},"type":"message"}],"speed":"standard"},"diagnostics":null},"requestId":"req_011Cbv51afDbrgwiMgKg3pcA","type":"assistant","uuid":"6725d1ff-1f40-41af-baec-4c15c0aa34bd","timestamp":"2026-06-10T18:41:48.225Z","userType":"external","entrypoint":"sdk-cli","cwd":"/private/var/folders/jk/4rycn96j1rdbj2mz275yv11m0000gn/T/toolpath-elicit.7HDqFK/claude","sessionId":"c07efcc2-c931-4e4e-bc2c-b14ded596469","version":"2.1.170","gitBranch":"HEAD"} +{"parentUuid":"6725d1ff-1f40-41af-baec-4c15c0aa34bd","isSidechain":false,"message":{"model":"claude-opus-4-8","id":"msg_01EJdHKfRqtqCrkifu3dz1yM","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01CrV24hMMZ29fzvESWzVWw8","name":"Agent","input":{"description":"Count words in notes.md","subagent_type":"Explore","prompt":"Count the words in `notes.md` and report the number.\n\nThe file is located at: /private/var/folders/jk/4rycn96j1rdbj2mz275yv11m0000gn/T/toolpath-elicit.7HDqFK/claude/notes.md"},"caller":{"type":"direct"}}],"stop_reason":"tool_use","stop_sequence":null,"stop_details":null,"usage":{"input_tokens":2,"cache_creation_input_tokens":134,"cache_read_input_tokens":24027,"output_tokens":670,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":134,"ephemeral_5m_input_tokens":0},"inference_geo":"not_available","iterations":[{"input_tokens":2,"output_tokens":670,"cache_read_input_tokens":24027,"cache_creation_input_tokens":134,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":134},"type":"message"}],"speed":"standard"},"diagnostics":null},"requestId":"req_011Cbv51afDbrgwiMgKg3pcA","type":"assistant","uuid":"77e22484-6dea-46c4-ac4b-5181ca4f51ef","timestamp":"2026-06-10T18:41:49.340Z","userType":"external","entrypoint":"sdk-cli","cwd":"/private/var/folders/jk/4rycn96j1rdbj2mz275yv11m0000gn/T/toolpath-elicit.7HDqFK/claude","sessionId":"c07efcc2-c931-4e4e-bc2c-b14ded596469","version":"2.1.170","gitBranch":"HEAD"} +{"type":"last-prompt","lastPrompt":"You're going to walk through a small set of tasks designed to exercise every common tool category. Stay inside the current working directory — do not touch anything outside it. Take the steps in order…","leafUuid":"77e22484-6dea-46c4-ac4b-5181ca4f51ef","sessionId":"c07efcc2-c931-4e4e-bc2c-b14ded596469"} +{"type":"ai-title","aiTitle":"Execute coding tool exercise tasks","sessionId":"c07efcc2-c931-4e4e-bc2c-b14ded596469"} +{"parentUuid":"77e22484-6dea-46c4-ac4b-5181ca4f51ef","isSidechain":false,"promptId":"d0f56170-8c85-47cd-99c6-6302db4e0d72","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01CrV24hMMZ29fzvESWzVWw8","type":"tool_result","content":[{"type":"text","text":"The file `notes.md` contains **11 words**."}]}]},"uuid":"9f9f8402-cacb-4678-8e47-fb05660c6437","timestamp":"2026-06-10T18:41:57.708Z","toolUseResult":{"status":"completed","prompt":"Count the words in `notes.md` and report the number.\n\nThe file is located at: /private/var/folders/jk/4rycn96j1rdbj2mz275yv11m0000gn/T/toolpath-elicit.7HDqFK/claude/notes.md","agentId":"aef08691ddf654768","agentType":"Explore","content":[{"type":"text","text":"The file `notes.md` contains **11 words**."}],"totalDurationMs":5645,"totalTokens":8185,"totalToolUseCount":2,"usage":{"input_tokens":5,"cache_creation_input_tokens":186,"cache_read_input_tokens":7978,"output_tokens":16,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":0,"ephemeral_5m_input_tokens":186},"inference_geo":"not_available","iterations":[{"input_tokens":5,"output_tokens":16,"cache_read_input_tokens":7978,"cache_creation_input_tokens":186,"cache_creation":{"ephemeral_5m_input_tokens":186,"ephemeral_1h_input_tokens":0},"type":"message"}],"speed":"standard"},"toolStats":{"readCount":1,"searchCount":0,"bashCount":1,"editFileCount":0,"linesAdded":0,"linesRemoved":0,"otherToolCount":0}},"sourceToolAssistantUUID":"77e22484-6dea-46c4-ac4b-5181ca4f51ef","userType":"external","entrypoint":"sdk-cli","cwd":"/private/var/folders/jk/4rycn96j1rdbj2mz275yv11m0000gn/T/toolpath-elicit.7HDqFK/claude","sessionId":"c07efcc2-c931-4e4e-bc2c-b14ded596469","version":"2.1.170","gitBranch":"HEAD"} +{"parentUuid":"9f9f8402-cacb-4678-8e47-fb05660c6437","isSidechain":false,"message":{"model":"claude-opus-4-8","id":"msg_01429NLJe4VUi5mQKX9u1dh3","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"","signature":"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"}],"stop_reason":"end_turn","stop_sequence":null,"stop_details":null,"usage":{"input_tokens":2,"cache_creation_input_tokens":691,"cache_read_input_tokens":24161,"output_tokens":438,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":691,"ephemeral_5m_input_tokens":0},"inference_geo":"not_available","iterations":[{"input_tokens":2,"output_tokens":438,"cache_read_input_tokens":24161,"cache_creation_input_tokens":691,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":691},"type":"message"}],"speed":"standard"},"diagnostics":null},"requestId":"req_011Cbv52wPB6jHhRxkhsNKsL","type":"assistant","uuid":"8a1c3178-ba2b-43cc-a376-3ad159a03d25","timestamp":"2026-06-10T18:42:03.219Z","userType":"external","entrypoint":"sdk-cli","cwd":"/private/var/folders/jk/4rycn96j1rdbj2mz275yv11m0000gn/T/toolpath-elicit.7HDqFK/claude","sessionId":"c07efcc2-c931-4e4e-bc2c-b14ded596469","version":"2.1.170","gitBranch":"HEAD"} +{"parentUuid":"8a1c3178-ba2b-43cc-a376-3ad159a03d25","isSidechain":false,"message":{"model":"claude-opus-4-8","id":"msg_01429NLJe4VUi5mQKX9u1dh3","type":"message","role":"assistant","content":[{"type":"text","text":"The sub-agent reported that `notes.md` contains **11 words**.\n\n**Step 10 — Summary:** I listed the directory, created `notes.md` with the two specified lines, read it back, then used the `Edit` tool to replace \"scratch\" with \"fixture\", and confirmed both a filename search (`note*` → `notes.md`) and a content search (`fixture` → line 1). I then verified error handling by reading a nonexistent file (which correctly failed as a reported tool result), wrote and ran `count.sh` to produce exactly five lines (1–5), and dispatched a sub-agent that reported `notes.md` has 11 words. All work stayed within the current working directory."}],"stop_reason":"end_turn","stop_sequence":null,"stop_details":null,"usage":{"input_tokens":2,"cache_creation_input_tokens":691,"cache_read_input_tokens":24161,"output_tokens":438,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":691,"ephemeral_5m_input_tokens":0},"inference_geo":"not_available","iterations":[{"input_tokens":2,"output_tokens":438,"cache_read_input_tokens":24161,"cache_creation_input_tokens":691,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":691},"type":"message"}],"speed":"standard"},"diagnostics":null},"requestId":"req_011Cbv52wPB6jHhRxkhsNKsL","type":"assistant","uuid":"1b85db73-91ac-4095-a45e-6feb3e495282","timestamp":"2026-06-10T18:42:05.646Z","userType":"external","entrypoint":"sdk-cli","cwd":"/private/var/folders/jk/4rycn96j1rdbj2mz275yv11m0000gn/T/toolpath-elicit.7HDqFK/claude","sessionId":"c07efcc2-c931-4e4e-bc2c-b14ded596469","version":"2.1.170","gitBranch":"HEAD"} +{"type":"last-prompt","lastPrompt":"You're going to walk through a small set of tasks designed to exercise every common tool category. 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The summary below covers the earlier portion of the conversation.\n\nSummary:\n1. Primary Request and Intent:\n The user requested a structured walkthrough of a fixed set of 10 ordered tasks designed to exercise every common tool category (list, write, read, edit, find/glob, grep/search, error-handling on a missing file, shell script execution, sub-agent dispatch, and a final summary). Explicit constraints and rules stated by the user:\n - \"Stay inside the current working directory — do not touch anything outside it.\"\n - \"Take the steps in order.\"\n - \"Briefly think out loud before each tool call so the reasoning is captured.\"\n - Tool-selection rule (verbatim intent): \"if a step mentions a dedicated tool *and* that tool is available to you, use it; otherwise, use whatever shell-based equivalent you have (e.g. `ls`, `cat`, `sed`, `find`, `grep`). Don't skip steps because a dedicated tool is missing.\"\n The 10 steps: (1) list files; (2) write `notes.md` with two exact lines; (3) read `notes.md` back; (4) change \"scratch\" to \"fixture\"; (5) find files starting with \"note\"; (6) search contents for \"fixture\"; (7) attempt to read nonexistent `does-not-exist.txt` (must fail and be reported, not swallowed); (8) write `count.sh` printing 1–5 and run it confirming 5 lines; (9) dispatch a sub-agent with the exact instruction \"Count the words in `notes.md` and report the number.\" and quote its reply; (10) summarize in 2–3 sentences what was done, then stop without asking for further work.\n\n2. Key Technical Concepts:\n - Dedicated-tool-vs-shell-fallback selection logic.\n - Claude Code tool set: Write, Read, Edit, Bash, Agent (sub-agent dispatch), ToolSearch (for deferred tools), Skill, Workflow.\n - Sub-agent dispatch via the Agent tool with subagent_type (used \"Explore\", a read-only search agent).\n - Bash utilities as fallbacks: `ls`, `find -maxdepth 1 -name`, `grep -rn`, `wc -l`, `bash