feat(core): add arrow snap-to-shape connection points#35
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Arrows now snap to 8 connection points on shapes (4 corners + 4 edge midpoints) when dragged within 15px. Visual indicator dot appears at candidate snap point. Bound arrows auto-update when connected shape is moved or resized. Works for Rectangle, Ellipse, and Diamond shapes. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Existing coverage is per-module unit tests. This adds a tests/integration.rs exercising draw-core as an external consumer would — only `pub use` re-exports from the crate root. New coverage: - Full pipeline across all 7 element types: new -> populate -> JSON round-trip -> save/load -> SVG export (per-type tag checks) -> PNG export (magic bytes) - Arrow start_binding/end_binding round-trip (Binding added in #35, had no test coverage) - Legacy doc parsing when binding fields are absent (serde default=None) - Element dispatch helpers (id/position/set_position/opacity/is_locked/group_id) across every variant - Empty-document SVG/PNG exports don't panic Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Existing coverage is per-module unit tests. This adds a tests/integration.rs exercising draw-core as an external consumer would — only `pub use` re-exports from the crate root. New coverage: - Full pipeline across all 7 element types: new -> populate -> JSON round-trip -> save/load -> SVG export (per-type tag checks) -> PNG export (magic bytes) - Arrow start_binding/end_binding round-trip (Binding added in #35, had no test coverage) - Legacy doc parsing when binding fields are absent (serde default=None) - Element dispatch helpers (id/position/set_position/opacity/is_locked/group_id) across every variant - Empty-document SVG/PNG exports don't panic Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
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Bumps all Rust crates and the Python package from 0.2.1 to 0.3.0. This minor bump reflects one breaking change in the dkdc-draw-core public API surface (pub -> pub(crate) demotions in #42), accumulated with the non-breaking work from this cycle: - #35: arrow snap-to-shape connection points - #36: CONTRIBUTING.md + README badges - #37: integration tests for draw-core public API - #38: Rust + Python hello-world examples - #39: CHANGELOG.md scaffolding - #40: surgical clippy opt-ins workspace-wide - #41: sample gallery (5 drawings × json/svg/png) - #42: pub -> pub(crate) demotions (BREAKING) - #43: Python test coverage 5 -> 27 See CHANGELOG.md for the 0.3.0 section and migration notes for the demoted symbols. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Bumps all Rust crates and the Python package from 0.2.1 to 0.3.0. This minor bump reflects one breaking change in the dkdc-draw-core public API surface (pub -> pub(crate) demotions in #42), accumulated with the non-breaking work from this cycle: - #35: arrow snap-to-shape connection points - #36: CONTRIBUTING.md + README badges - #37: integration tests for draw-core public API - #38: Rust + Python hello-world examples - #39: CHANGELOG.md scaffolding - #40: surgical clippy opt-ins workspace-wide - #41: sample gallery (5 drawings × json/svg/png) - #42: pub -> pub(crate) demotions (BREAKING) - #43: Python test coverage 5 -> 27 See CHANGELOG.md for the 0.3.0 section and migration notes for the demoted symbols. Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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