init run

⚒️ Generated with [Fabro](https://fabro.sh)

graph.fabro

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+digraph ImplementAndSimplify {
+    graph [
+        goal="Implement and simplify",
+        model_stylesheet="
+            * { backend: api; model: claude-opus-4-6;}
+        "
+    ]
+    rankdir=LR
+
+    start [shape=Mdiamond, label="Start"]
+    exit  [shape=Msquare, label="Exit"]
+
+    toolchain         [label="Toolchain", shape=parallelogram, 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", max_retries=0]
+    preflight_compile [label="Preflight Compile", shape=parallelogram, script="cargo check -q --workspace 2>&1", max_retries=0]
+    preflight_lint    [label="Preflight Lint", shape=parallelogram, script="cargo clippy -q --workspace -- -D warnings 2>&1", max_retries=0]
+    fix_lints         [label="Fix Lints", prompt="The preflight lint step failed. Read the build output from context and fix all clippy lint warnings.", max_visits=3]
+    implement         [label="Implement", prompt="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."]
+    simplify_opus     [label="Simplify (Opus)", prompt="@prompts/simplify.md"]
+    simplify_gemini   [label="Simplify (Gemini)", prompt="@prompts/simplify.md", model="gemini-3.1-pro-preview-customtools"]
+    simplify_gpt      [label="Simplify (GPT-54)", prompt="@prompts/simplify.md", model="gpt-54"]
+    verify            [label="Verify", shape=parallelogram, script="cargo clippy -q --workspace -- -D warnings 2>&1 && cargo nextest run --cargo-quiet --workspace --status-level fail 2>&1", goal_gate=true, retry_target="fixup"]
+    fixup             [label="Fixup", prompt="The verify step failed. Read the build output from context and fix all clippy lint warnings and test failures.", max_visits=3]
+    fmt               [label="Format", shape=parallelogram, script="cargo fmt --all 2>&1", goal_gate=true, max_retries=0]
+
+    start -> toolchain
+    toolchain -> preflight_compile [condition="outcome=success"]
+    toolchain -> exit
+    preflight_compile -> preflight_lint [condition="outcome=success"]
+    preflight_compile -> exit
+    preflight_lint -> implement [condition="outcome=success"]
+    preflight_lint -> fix_lints
+    fix_lints -> preflight_lint
+    implement -> simplify_opus -> simplify_gemini -> simplify_gpt -> verify
+    verify -> fmt   [condition="outcome=success"]
+    verify -> fixup
+    fixup -> verify
+    fmt -> exit
+}

manifest.json

@@ -0,0 +1,13 @@
+{
+  "run_id": "01KKT5VGGG35Y853TNCTBVB39R",
+  "workflow_name": "ImplementAndSimplify",
+  "goal": "# Wire up missing hook invocations\n\n## Context\n\nFive `HookEvent` variants exist in the enum and are documented in `docs/agents/hooks.mdx`, but `run_hooks()` is never called for them in the engine. Users can configure hooks for these events, but they silently never fire.\n\n**Events to wire up:** `StageRetrying`, `ParallelStart`, `ParallelComplete`\n**Events to mark as reserved:** `SandboxReady`, `SandboxCleanup` (sandbox lifecycle is managed outside the engine; wiring these requires significant architecture changes)\n\n## Changes\n\n### 1. Add StageRetrying hook calls in `engine.rs`\n\nFile: `lib/crates/fabro-workflows/src/engine.rs`\n\nTwo sites in `execute_with_retry`, both immediately after `WorkflowRunEvent::StageRetrying` emission and before `tokio::time::sleep(delay).await`:\n\n- **Site A (~line 1127):** error-retry path\n- **Site B (~line 1155):** explicit Retry status path\n\nPattern (same for both sites):\n```rust\n{\n    let mut hook_ctx = HookContext::new(\n        HookEvent::StageRetrying,\n        context.run_id(),\n        graph.name.clone(),\n    );\n    hook_ctx.node_id = Some(node.id.clone());\n    hook_ctx.node_label = Some(node.label().to_string());\n    hook_ctx.handler_type = node.handler_type().map(String::from);\n    hook_ctx.attempt = Some(usize::try_from(attempt).unwrap_or(usize::MAX));\n    hook_ctx.max_attempts = Some(\n        usize::try_from(policy.max_attempts).unwrap_or(usize::MAX),\n    );\n    let _ = self.run_hooks(&hook_ctx, None).await;\n}\n```\n\nAvailable via: `self.run_hooks()` (engine method), `context.run_id()`, `graph.name`, `node`, `attempt`, `policy`.\n\n### 2. Add ParallelStart hook call in `parallel.rs`\n\nFile: `lib/crates/fabro-workflows/src/handler/parallel.rs`\n\nAfter `ParallelStarted` event emission (~line 301). Call `hook_runner.run()` directly since the handler has `services: &EngineServices` (which has `hook_runner` and `sandbox`):\n\n```rust\nif let Some(ref runner) = services.hook_runner {\n    let hook_ctx = HookContext::new(\n        HookEvent::ParallelStart,\n        context.run_id(),\n        graph.name.clone(),\n    );\n    let _ = runner\n        .run(&hook_ctx, services.sandbox.clone(), None)\n        .await;\n}\n```\n\n### 3. Add ParallelComplete hook call in `parallel.rs`\n\nSame file, after `ParallelCompleted` event emission (~line 713). Same pattern as ParallelStart but with `HookEvent::ParallelComplete`.\n\n### 4. Mark SandboxReady/SandboxCleanup as reserved\n\nFile: `lib/crates/fabro-workflows/src/hook/types.rs`\n\nAdd doc comments:\n```rust\n/// Reserved: hooks for this event are not yet invoked by the engine.\nSandboxReady,\n/// Reserved: hooks for this event are not yet invoked by the engine.\nSandboxCleanup,\n```\n\n### 5. Update docs\n\nFile: `docs/agents/hooks.mdx`\n\nIn the lifecycle events table, annotate `sandbox_ready` and `sandbox_cleanup` rows — e.g., append \"(not yet wired)\" to the description or add a note.\n\n## Verification\n\n1. `cargo fmt --check --all`\n2. `cargo clippy --workspace -- -D warnings`\n3. `cargo test --workspace` — existing tests pass, no regressions\n4. Manual test: create a workflow with a retrying node and a `post_tool_use`-style hook for `stage_retrying`, verify it fires in the CLI log\n",
+  "start_time": "2026-03-16T01:58:37.601090Z",
+  "node_count": 13,
+  "edge_count": 16,
+  "run_branch": "fabro/run/01KKT5VGGG35Y853TNCTBVB39R",
+  "base_sha": "b101ad78a26a30df5f2bca7f141791d730b67c23",
+  "base_branch": "main",
+  "workflow_slug": "implement",
+  "host_repo_path": "/Users/bhelmkamp/p/fabro-sh/fabro"
+}

sandbox.json

@@ -0,0 +1,5 @@
+{
+  "provider": "daytona",
+  "working_directory": "/home/daytona/workspace",
+  "identifier": "fabro-01KKT5VGGG35Y853TNCTBVB39R"
+}