v0.12.5

Changes

• Add deterministic pre-navigation for tasks with exactly one explicit http(s) URL and no caller-supplied initial_actions.
• Add auto_initial_navigation=False opt-out.
• Bump Python/Rust workspace versions to 0.12.5 and refresh Cargo.lock local crate versions.
• Update README architecture note for sequential guarded tool batches.

Validation

• .venv/bin/maturin develop
• cargo test -p bu-cdp -p bu-dom -p bu-browser
• python release checks for URL inference and Agent initialization

Note

• cargo test --workspace still fails on macOS when linking bu-py debug dylib due unresolved Python C API symbols; maturin develop succeeds for the extension build path.