From 9c881fca29e79f868394386469cdf4360c997804 Mon Sep 17 00:00:00 2001 From: Fabro Date: Thu, 19 Mar 2026 21:09:20 -0400 Subject: [PATCH] checkpoint MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit ⚒️ Generated with [Fabro](https://fabro.sh) --- checkpoint.json | 44 ++++++++++++++++---- nodes/implement/prompt.md | 64 ++++++++++++++++++++++++++++++ nodes/implement/provider_used.json | 5 +++ nodes/implement/response.md | 23 +++++++++++ nodes/implement/status.json | 6 +++ 5 files changed, 135 insertions(+), 7 deletions(-) create mode 100644 nodes/implement/prompt.md create mode 100644 nodes/implement/provider_used.json create mode 100644 nodes/implement/response.md create mode 100644 nodes/implement/status.json diff --git a/checkpoint.json b/checkpoint.json index 9af135b44..ec841fb67 100644 --- a/checkpoint.json +++ b/checkpoint.json @@ -1,13 +1,15 @@ { - "timestamp": "2026-03-20T01:02:40.871840Z", - "current_node": "preflight_lint", + "timestamp": "2026-03-20T01:09:20.986280Z", + "current_node": "implement", "completed_nodes": [ "start", "toolchain", "preflight_compile", - "preflight_lint" + "preflight_lint", + "implement" ], "node_retries": { + "implement": 1, "preflight_lint": 1, "start": 1, "preflight_compile": 1, @@ -15,24 +17,29 @@ }, "context_values": { "internal.retry_count.preflight_compile": 1, - "internal.thread_id": "preflight_compile", + "thread.preflight_lint.current_node": "implement", + "internal.thread_id": "preflight_lint", "internal.node_visit_count": 1, "outcome": "success", "failure_signature": "", "command.output": "", + "last_stage": "implement", "internal.retry_count.start": 1, + "internal.retry_count.implement": 1, + "last_response": "Both changes look correct:\n\n1. **Inside `execute_with_retry`** (line 1080): `StageStarted` is now emitted at the top of the `for attempt in 1..=policy.max_attempts` loop, using the loop variable `atte", "internal.run_id": "01KM4C5NR7A6KVFNK6DDE3FP4R", "thread.preflight_compile.current_node": "preflight_lint", "failure_class": "", "graph.model_stylesheet": "\n * { backend: api; model: claude-opus-4-6;}\n ", "thread.toolchain.current_node": "preflight_compile", - "current.preamble": "Goal: # Emit `StageStarted` on retry attempts\n\n## Context\n\nWhen a stage fails with a transient error and is retried, the CLI progress UI freezes because:\n\n1. `StageFailed` calls `finish_stage()`, removing the stage from `active_stages`\n2. The retry loop in the engine (`continue` at line 1198) re-enters handler execution **without emitting `StageStarted`**\n3. All subsequent agent events for the retry attempt silently drop (no matching entry in `active_stages`)\n\nThe `StageStarted` event already has `attempt` and `max_attempts` fields, so emitting it per-attempt is the intended design — it just wasn't wired up.\n\n## Changes\n\n### 1. Engine: emit `StageStarted` at the top of the retry loop\n\n**File:** `lib/crates/fabro-workflows/src/engine.rs`\n\nMove the `StageStarted` emission from before the loop (line 1852) to inside the loop, right after `for attempt in 1..=policy.max_attempts {` (line 1079). This way every attempt — including retries — emits the event with the correct `attempt` number.\n\nThe existing emission at line 1852 gets replaced, not duplicated. The `attempt` value comes directly from the loop variable (converted via `usize::try_from`).\n\n### 2. Engine: move StageStart hook inside the loop (or keep it outside)\n\nThe `StageStart` hook block (lines 1862-1895) currently runs once before the loop. It should stay outside — hooks shouldn't re-fire on retries. Only the `StageStarted` event emission moves inside.\n\n### 3. UI: no changes needed\n\n`on_stage_started` in `run_progress.rs` already handles being called for the same `node_id` — it inserts a fresh `ActiveStage` into the map, creating a new spinner. The `StageFailed` handler correctly finishes the old spinner. The natural event sequence becomes:\n\n```\nStageStarted (attempt 1) → spinner created\nStageFailed (will_retry) → spinner finished with ✗\nStageStarted (attempt 2) → new spinner created\nAgent events → attach to new spinner\nStageCompleted (attempt 2) → spinner finished with ✓\n```\n\n## Verification\n\n1. `cargo test -p fabro-workflows` — existing tests pass\n2. `cargo clippy --workspace -- -D warnings` — no warnings\n3. Manual: run a workflow that hits a transient LLM error (or mock one) and verify the CLI shows the retry spinner with tool calls\n\n\n## Completed stages\n- **toolchain**: success\n - Script: `command -v cargo >/dev/null || { curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y && sudo ln -sf $HOME/.cargo/bin/* /usr/local/bin/; }; cargo --version 2>&1`\n - Stdout:\n ```\n cargo 1.94.0 (85eff7c80 2026-01-15)\n ```\n - Stderr: (empty)\n- **preflight_compile**: success\n - Script: `cargo check -q --workspace 2>&1`\n - Stdout: (empty)\n - Stderr: (empty)\n", + "current.preamble": "Goal: # Emit `StageStarted` on retry attempts\n\n## Context\n\nWhen a stage fails with a transient error and is retried, the CLI progress UI freezes because:\n\n1. `StageFailed` calls `finish_stage()`, removing the stage from `active_stages`\n2. The retry loop in the engine (`continue` at line 1198) re-enters handler execution **without emitting `StageStarted`**\n3. All subsequent agent events for the retry attempt silently drop (no matching entry in `active_stages`)\n\nThe `StageStarted` event already has `attempt` and `max_attempts` fields, so emitting it per-attempt is the intended design — it just wasn't wired up.\n\n## Changes\n\n### 1. Engine: emit `StageStarted` at the top of the retry loop\n\n**File:** `lib/crates/fabro-workflows/src/engine.rs`\n\nMove the `StageStarted` emission from before the loop (line 1852) to inside the loop, right after `for attempt in 1..=policy.max_attempts {` (line 1079). This way every attempt — including retries — emits the event with the correct `attempt` number.\n\nThe existing emission at line 1852 gets replaced, not duplicated. The `attempt` value comes directly from the loop variable (converted via `usize::try_from`).\n\n### 2. Engine: move StageStart hook inside the loop (or keep it outside)\n\nThe `StageStart` hook block (lines 1862-1895) currently runs once before the loop. It should stay outside — hooks shouldn't re-fire on retries. Only the `StageStarted` event emission moves inside.\n\n### 3. UI: no changes needed\n\n`on_stage_started` in `run_progress.rs` already handles being called for the same `node_id` — it inserts a fresh `ActiveStage` into the map, creating a new spinner. The `StageFailed` handler correctly finishes the old spinner. The natural event sequence becomes:\n\n```\nStageStarted (attempt 1) → spinner created\nStageFailed (will_retry) → spinner finished with ✗\nStageStarted (attempt 2) → new spinner created\nAgent events → attach to new spinner\nStageCompleted (attempt 2) → spinner finished with ✓\n```\n\n## Verification\n\n1. `cargo test -p fabro-workflows` — existing tests pass\n2. `cargo clippy --workspace -- -D warnings` — no warnings\n3. Manual: run a workflow that hits a transient LLM error (or mock one) and verify the CLI shows the retry spinner with tool calls\n\n\n## Completed stages\n- **toolchain**: success\n - Script: `command -v cargo >/dev/null || { curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y && sudo ln -sf $HOME/.cargo/bin/* /usr/local/bin/; }; cargo --version 2>&1`\n - Stdout:\n ```\n cargo 1.94.0 (85eff7c80 2026-01-15)\n ```\n - Stderr: (empty)\n- **preflight_compile**: success\n - Script: `cargo check -q --workspace 2>&1`\n - Stdout: (empty)\n - Stderr: (empty)\n- **preflight_lint**: success\n - Script: `cargo clippy -q --workspace -- -D warnings 2>&1`\n - Stdout: (empty)\n - Stderr: (empty)\n", "graph.goal": "# Emit `StageStarted` on retry attempts\n\n## Context\n\nWhen a stage fails with a transient error and is retried, the CLI progress UI freezes because:\n\n1. `StageFailed` calls `finish_stage()`, removing the stage from `active_stages`\n2. The retry loop in the engine (`continue` at line 1198) re-enters handler execution **without emitting `StageStarted`**\n3. All subsequent agent events for the retry attempt silently drop (no matching entry in `active_stages`)\n\nThe `StageStarted` event already has `attempt` and `max_attempts` fields, so emitting it per-attempt is the intended design — it just wasn't wired up.\n\n## Changes\n\n### 1. Engine: emit `StageStarted` at the top of the retry loop\n\n**File:** `lib/crates/fabro-workflows/src/engine.rs`\n\nMove the `StageStarted` emission from before the loop (line 1852) to inside the loop, right after `for attempt in 1..=policy.max_attempts {` (line 1079). This way every attempt — including retries — emits the event with the correct `attempt` number.\n\nThe existing emission at line 1852 gets replaced, not duplicated. The `attempt` value comes directly from the loop variable (converted via `usize::try_from`).\n\n### 2. Engine: move StageStart hook inside the loop (or keep it outside)\n\nThe `StageStart` hook block (lines 1862-1895) currently runs once before the loop. It should stay outside — hooks shouldn't re-fire on retries. Only the `StageStarted` event emission moves inside.\n\n### 3. UI: no changes needed\n\n`on_stage_started` in `run_progress.rs` already handles being called for the same `node_id` — it inserts a fresh `ActiveStage` into the map, creating a new spinner. The `StageFailed` handler correctly finishes the old spinner. The natural event sequence becomes:\n\n```\nStageStarted (attempt 1) → spinner created\nStageFailed (will_retry) → spinner finished with ✗\nStageStarted (attempt 2) → new spinner created\nAgent events → attach to new spinner\nStageCompleted (attempt 2) → spinner finished with ✓\n```\n\n## Verification\n\n1. `cargo test -p fabro-workflows` — existing tests pass\n2. `cargo clippy --workspace -- -D warnings` — no warnings\n3. Manual: run a workflow that hits a transient LLM error (or mock one) and verify the CLI shows the retry spinner with tool calls\n", "internal.retry_count.toolchain": 1, "command.stderr": "", + "response.implement": "Both changes look correct:\n\n1. **Inside `execute_with_retry`** (line 1080): `StageStarted` is now emitted at the top of the `for attempt in 1..=policy.max_attempts` loop, using the loop variable `attempt` for the correct attempt number.\n\n2. **In `run_inner`** (line 1862): The old `StageStarted` emission that was before the loop has been removed. The `StageStart` hook remains outside the loop as specified.\n\nLet me do a final summary of the changes:\n\n## Summary\n\n**Problem:** When a stage fails with a transient error and is retried, the CLI progress UI freezes because `StageFailed` removes the stage from `active_stages`, but no `StageStarted` event is emitted for the retry attempt, so subsequent agent events silently drop.\n\n**Fix:** Two edits in `lib/crates/fabro-workflows/src/engine.rs`:\n\n1. **Added `StageStarted` emission inside the retry loop** (in `execute_with_retry`): Moved the event emission to the top of the `for attempt in 1..=policy.max_attempts` loop so every attempt — including retries — emits `StageStarted` with the correct `attempt` number.\n\n2. **Removed the old `StageStarted` emission before the loop** (in `run_inner`): The pre-loop emission with hardcoded `attempt: 1` was removed since it's now handled inside the retry loop. The `StageStart` hook remains outside the loop (hooks shouldn't re-fire on retries).\n\n**New test:** `retry_emits_stage_started_per_attempt` — Creates a handler (`FailOnceThenSucceedHandler`) that returns a retryable error on the first call and succeeds on the second, then verifies that `StageStarted` is emitted twice with `attempt: 1` and `attempt: 2`.\n\n**Verification:**\n- ✅ `cargo test -p fabro-workflows --lib` — all 867 tests pass\n- ✅ `cargo clippy --workspace -- -D warnings` — no warnings", "thread.start.current_node": "toolchain", "internal.retry_count.preflight_lint": 1, - "current_node": "preflight_lint", + "current_node": "implement", "graph.rankdir": "LR", "internal.fidelity": "compact" }, @@ -60,6 +67,28 @@ "status": "success", "duration_ms": 0 }, + "implement": { + "status": "success", + "context_updates": { + "last_stage": "implement", + "last_response": "Both changes look correct:\n\n1. **Inside `execute_with_retry`** (line 1080): `StageStarted` is now emitted at the top of the `for attempt in 1..=policy.max_attempts` loop, using the loop variable `atte", + "response.implement": "Both changes look correct:\n\n1. **Inside `execute_with_retry`** (line 1080): `StageStarted` is now emitted at the top of the `for attempt in 1..=policy.max_attempts` loop, using the loop variable `attempt` for the correct attempt number.\n\n2. **In `run_inner`** (line 1862): The old `StageStarted` emission that was before the loop has been removed. The `StageStart` hook remains outside the loop as specified.\n\nLet me do a final summary of the changes:\n\n## Summary\n\n**Problem:** When a stage fails with a transient error and is retried, the CLI progress UI freezes because `StageFailed` removes the stage from `active_stages`, but no `StageStarted` event is emitted for the retry attempt, so subsequent agent events silently drop.\n\n**Fix:** Two edits in `lib/crates/fabro-workflows/src/engine.rs`:\n\n1. **Added `StageStarted` emission inside the retry loop** (in `execute_with_retry`): Moved the event emission to the top of the `for attempt in 1..=policy.max_attempts` loop so every attempt — including retries — emits `StageStarted` with the correct `attempt` number.\n\n2. **Removed the old `StageStarted` emission before the loop** (in `run_inner`): The pre-loop emission with hardcoded `attempt: 1` was removed since it's now handled inside the retry loop. The `StageStart` hook remains outside the loop (hooks shouldn't re-fire on retries).\n\n**New test:** `retry_emits_stage_started_per_attempt` — Creates a handler (`FailOnceThenSucceedHandler`) that returns a retryable error on the first call and succeeds on the second, then verifies that `StageStarted` is emitted twice with `attempt: 1` and `attempt: 2`.\n\n**Verification:**\n- ✅ `cargo test -p fabro-workflows --lib` — all 867 tests pass\n- ✅ `cargo clippy --workspace -- -D warnings` — no warnings" + }, + "notes": "Stage completed: implement", + "usage": { + "model": "claude-opus-4-6", + "input_tokens": 42190, + "output_tokens": 12138, + "cache_read_tokens": 2004760, + "cache_write_tokens": 49528, + "reasoning_tokens": 205, + "cost": 1.5432000000000001 + }, + "files_touched": [ + "/home/daytona/workspace/lib/crates/fabro-workflows/src/engine.rs" + ], + "duration_ms": 398042 + }, "toolchain": { "status": "success", "context_updates": { @@ -70,9 +99,10 @@ "duration_ms": 147 } }, - "next_node_id": "implement", + "next_node_id": "simplify_opus", "node_visits": { "preflight_lint": 1, + "implement": 1, "toolchain": 1, "start": 1, "preflight_compile": 1 diff --git a/nodes/implement/prompt.md b/nodes/implement/prompt.md new file mode 100644 index 000000000..25317f885 --- /dev/null +++ b/nodes/implement/prompt.md @@ -0,0 +1,64 @@ +Goal: # Emit `StageStarted` on retry attempts + +## Context + +When a stage fails with a transient error and is retried, the CLI progress UI freezes because: + +1. `StageFailed` calls `finish_stage()`, removing the stage from `active_stages` +2. The retry loop in the engine (`continue` at line 1198) re-enters handler execution **without emitting `StageStarted`** +3. All subsequent agent events for the retry attempt silently drop (no matching entry in `active_stages`) + +The `StageStarted` event already has `attempt` and `max_attempts` fields, so emitting it per-attempt is the intended design — it just wasn't wired up. + +## Changes + +### 1. Engine: emit `StageStarted` at the top of the retry loop + +**File:** `lib/crates/fabro-workflows/src/engine.rs` + +Move the `StageStarted` emission from before the loop (line 1852) to inside the loop, right after `for attempt in 1..=policy.max_attempts {` (line 1079). This way every attempt — including retries — emits the event with the correct `attempt` number. + +The existing emission at line 1852 gets replaced, not duplicated. The `attempt` value comes directly from the loop variable (converted via `usize::try_from`). + +### 2. Engine: move StageStart hook inside the loop (or keep it outside) + +The `StageStart` hook block (lines 1862-1895) currently runs once before the loop. It should stay outside — hooks shouldn't re-fire on retries. Only the `StageStarted` event emission moves inside. + +### 3. UI: no changes needed + +`on_stage_started` in `run_progress.rs` already handles being called for the same `node_id` — it inserts a fresh `ActiveStage` into the map, creating a new spinner. The `StageFailed` handler correctly finishes the old spinner. The natural event sequence becomes: + +``` +StageStarted (attempt 1) → spinner created +StageFailed (will_retry) → spinner finished with ✗ +StageStarted (attempt 2) → new spinner created +Agent events → attach to new spinner +StageCompleted (attempt 2) → spinner finished with ✓ +``` + +## Verification + +1. `cargo test -p fabro-workflows` — existing tests pass +2. `cargo clippy --workspace -- -D warnings` — no warnings +3. Manual: run a workflow that hits a transient LLM error (or mock one) and verify the CLI shows the retry spinner with tool calls + + +## Completed stages +- **toolchain**: success + - Script: `command -v cargo >/dev/null || { curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y && sudo ln -sf $HOME/.cargo/bin/* /usr/local/bin/; }; cargo --version 2>&1` + - Stdout: + ``` + cargo 1.94.0 (85eff7c80 2026-01-15) + ``` + - Stderr: (empty) +- **preflight_compile**: success + - Script: `cargo check -q --workspace 2>&1` + - Stdout: (empty) + - Stderr: (empty) +- **preflight_lint**: success + - Script: `cargo clippy -q --workspace -- -D warnings 2>&1` + - Stdout: (empty) + - Stderr: (empty) + + +Read the plan file referenced in the goal and implement every step. Make all the code changes described in the plan. Use red/green TDD. \ No newline at end of file diff --git a/nodes/implement/provider_used.json b/nodes/implement/provider_used.json new file mode 100644 index 000000000..c1905ff10 --- /dev/null +++ b/nodes/implement/provider_used.json @@ -0,0 +1,5 @@ +{ + "mode": "agent", + "provider": "anthropic", + "model": "claude-opus-4-6" +} \ No newline at end of file diff --git a/nodes/implement/response.md b/nodes/implement/response.md new file mode 100644 index 000000000..c27748b08 --- /dev/null +++ b/nodes/implement/response.md @@ -0,0 +1,23 @@ +Both changes look correct: + +1. **Inside `execute_with_retry`** (line 1080): `StageStarted` is now emitted at the top of the `for attempt in 1..=policy.max_attempts` loop, using the loop variable `attempt` for the correct attempt number. + +2. **In `run_inner`** (line 1862): The old `StageStarted` emission that was before the loop has been removed. The `StageStart` hook remains outside the loop as specified. + +Let me do a final summary of the changes: + +## Summary + +**Problem:** When a stage fails with a transient error and is retried, the CLI progress UI freezes because `StageFailed` removes the stage from `active_stages`, but no `StageStarted` event is emitted for the retry attempt, so subsequent agent events silently drop. + +**Fix:** Two edits in `lib/crates/fabro-workflows/src/engine.rs`: + +1. **Added `StageStarted` emission inside the retry loop** (in `execute_with_retry`): Moved the event emission to the top of the `for attempt in 1..=policy.max_attempts` loop so every attempt — including retries — emits `StageStarted` with the correct `attempt` number. + +2. **Removed the old `StageStarted` emission before the loop** (in `run_inner`): The pre-loop emission with hardcoded `attempt: 1` was removed since it's now handled inside the retry loop. The `StageStart` hook remains outside the loop (hooks shouldn't re-fire on retries). + +**New test:** `retry_emits_stage_started_per_attempt` — Creates a handler (`FailOnceThenSucceedHandler`) that returns a retryable error on the first call and succeeds on the second, then verifies that `StageStarted` is emitted twice with `attempt: 1` and `attempt: 2`. + +**Verification:** +- ✅ `cargo test -p fabro-workflows --lib` — all 867 tests pass +- ✅ `cargo clippy --workspace -- -D warnings` — no warnings \ No newline at end of file diff --git a/nodes/implement/status.json b/nodes/implement/status.json new file mode 100644 index 000000000..1299628ce --- /dev/null +++ b/nodes/implement/status.json @@ -0,0 +1,6 @@ +{ + "status": "success", + "notes": "Stage completed: implement", + "failure_reason": null, + "timestamp": "2026-03-20T01:09:20.986154+00:00" +} \ No newline at end of file