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feat: configurable edge line style + width per type and per edge

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Edge render (solid/dashed/dotted) and stroke width were hardcoded per
edge type. Expose both as user settings.

- Custom Style modal (Edges): line-style buttons, 1-4x width slider,
  live preview; left-list swatch renders the actual line.
- Per-edge EdgeModal: same controls; line style follows the type preset
  live until overridden.
- Renderer applies line_style/width_mult over BASE_STYLES (width scales
  markers + animation overlays); unset keeps the type default look.
- Persist line_style/width_mult through serializer, canvas save, and the
  edges API (new nullable columns, idempotent migration).

ha-relevant: yes
This commit is contained in:
Pouzor
2026-07-05 14:11:01 +02:00
parent 40ec26ab7e
commit 485d2f2b04
19 changed files with 469 additions and 9 deletions
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backend/app/db/database.py
+4
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@@ -85,6 +85,10 @@ async def init_db() -> None:
await conn.exec_driver_sql("ALTER TABLE edges ADD COLUMN marker_start TEXT NOT NULL DEFAULT 'none'")
with suppress(OperationalError):
await conn.exec_driver_sql("ALTER TABLE edges ADD COLUMN marker_end TEXT NOT NULL DEFAULT 'none'")
with suppress(OperationalError):
await conn.exec_driver_sql("ALTER TABLE edges ADD COLUMN line_style TEXT")
with suppress(OperationalError):
await conn.exec_driver_sql("ALTER TABLE edges ADD COLUMN width_mult REAL")
with suppress(OperationalError):
await conn.exec_driver_sql("ALTER TABLE nodes ADD COLUMN cpu_count INTEGER")
with suppress(OperationalError):