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bd636a16cd
This PR adds a `--direction` (`-d`) flag to the `fabro graph` CLI
command, bringing it to parity with the web UI's LR/TB toggle buttons.
Users can now pass `--direction lr` or `--direction tb` to override the
`rankdir` declared in the DOT source before it's handed off to the `dot`
renderer.
The implementation introduces a `GraphDirection` enum (with `ValueEnum`
and `Display` derives for clap integration), an optional `--direction`
field on `GraphArgs`, and an `apply_direction` helper that uses a
lazy-compiled regex to rewrite `rankdir=…` in the DOT source—mirroring
the same approach used by the web UI. The CLI docs are updated with the
new flag, and two unit tests verify that the rewrite works correctly and
that omitting the flag leaves the source unchanged.
### Fabro Details
<details>
<summary>Ran 10 stages in 17m 6s for $3.60</summary>
| Stage | Duration | Cost | Retries |
|---|---|---|---|
| start | 0s | – | 0 |
| toolchain | 0s | – | 0 |
| preflight_compile | 0s | – | 0 |
| preflight_lint | 0s | – | 0 |
| implement | 0s | $0.68 | 0 |
| simplify_opus | 0s | $1.02 | 0 |
| simplify_gemini | 0s | $0.83 | 0 |
| simplify_gpt | 0s | $1.06 | 0 |
| verify | 0s | – | 0 |
| fmt | 0s | – | 0 |
| **Total** | **17m 6s** | **$3.60** | **0** |
</details>
<details>
<summary>Ran <code>ImplementAndSimplify.fabro</code> (13 nodes and 16
edges)</summary>
```dot
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 2>&1", max_retries=0]
preflight_lint [label="Preflight Lint", shape=parallelogram, script="cargo clippy -- -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."]
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 -- -D warnings 2>&1 && cargo test 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
}
```
</details>
⚒️ Generated with [Fabro](https://fabro.sh)
---------
Co-authored-by: Fabro <noreply@fabro.sh>
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| crates | ||
| packages/fabro-api-client | ||