chore(deps): Bump mermaid-rs-renderer from 0.2.2 to 0.3.0

[dependabot]

Bumps mermaid-rs-renderer from 0.2.2 to 0.3.0.

Changelog

Sourced from mermaid-rs-renderer's changelog.

v0.3.0 (2026-07-02)

Render Size Metadata API

• Added measure_svg_dimensions / render_svg_with_dimensions and a --size CLI flag so embedders can get exact output dimensions before rasterizing.
• CLI defaults to the diagram's natural dimensions (#83).

Subgraph Containment Overhaul

• Sibling subgraph membership now matches mermaid-js (flowDb.makeUniq): a node belongs to the first subgraph that claims it, so referencing it in a later subgraph no longer forces boxes to overlap.
• New routing pass detours edges around subgraph boxes that contain neither endpoint.
• New placement pass evicts non-member nodes that visually land inside subgraph boxes.
• Hard gate is now 215 GREEN / 0 RED across the corpus (was 9 RED fixtures with 25 intruding edges).

Layout and Routing Fixes

• Port-driven grid placement and port-aware routing for architecture-beta (#112, #59).
• Capped crossing-avoidance detours in flowchart route selection (#79).
• Hardened routing against empty candidate lists (#37).
• Fixed flowchart edge zig-zag and orbit artifacts; kept back-edge outer lanes through port refinement.
• Routed C4 connectors around intervening shapes.
• Separated state pseudostate markers from overlapping states.
• Fixed 'unexpected token end' for sequence frames and block-beta named groups (#102).
• Fixed gantt task ids ending in a duration letter being misparsed.

Themes and Styling

• Added dark/forest/neutral theme presets and --theme CLI flag (#73).
• Fixed pie slice colors, legend overlap (#69), and CJK title clipping (#112).
• Added mindmap.edgeColor config (#49).

Quality Gates and Detection

• Hard gate gained semantic containment predicates (foreign-node containment, member escape), label-overflow, and canvas-overflow detectors.
• Layout dumps now expose edge label anchors/extents for external metric tooling.
• Added determinism, invariant, semantic, and output-shape suites plus baseline ratcheting.

Packaging

• Release builds use fat LTO (#13); arm64 release artifacts (#71); Nix flake (#99).

Commits

• bac530c Release v0.3.0
• d34377c Run foreign-subgraph containment before endpoint enforcement
• 63e3d8f Regenerate stale quality baseline (Feb 1) after 5 months of layout work
• e9d81d0 Add text-clipping and canvas-overflow detectors to hard gate
• 308d053 Add semantic containment detector to hard gate
• 73d47a8 Eliminate subgraph boundary intrusions: foreign-box detours + node eviction
• c1836a2 Exempt cluster-attached edges from subgraph intrusion metric
• 6146be0 Add audit baseline: metrics script, fixtures, baseline.json
• 267a934 Ratchet hard-gate baseline: flowchart_complex fixtures now clean
• b9aa896 Expose edge label anchors and extents in layout dump
• Additional commits viewable in compare view

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