- Fix 4 test failures: add unconditional fallback edges to branching.dot
and conditions.dot to satisfy all_conditional_edges validation rule
- Fix clippy await_holding_lock: scope MutexGuard before await in
daytona_integration.rs
- Fix clippy unnecessary_get_then_check: use contains_key in script.rs
- Fix clippy expect_fun_call: use unwrap_or_else in integration.rs
- Run cargo fmt across entire workspace
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Stores DOT source in ManagedPipeline and pipes it through `dot -Tsvg`
on request. Returns image/svg+xml on success, 502 if graphviz is
unavailable, 404 if pipeline not found. Resolves spec gap #1.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
