feat(FN-3080): document graph navigation canonicalization in plugin authori

Adds documentation for graph navigation canonicalization (FN-3080) covering plugin authoring and dashboard usage, along with a changeset for the `@runfusion/fusion` package release.

Fusion-Task-Id: FN-3080

docs/PLUGIN_AUTHORING.md

@@ -612,6 +612,11 @@ Placement guidance:
 - `overflow`: desktop header overflow menu
 - `more`: mobile More sheet / secondary nav surfaces
 
+Project-scoped UI state guidance:
+- Persist plugin view layout/state in browser storage using a plugin-owned base key and the shared project-scoped pattern (`kb:${projectId}:${baseKey}`).
+- For dependency graph layout, the canonical base key is `fusion-plugin-dependency-graph:positions`.
+- Do not persist plugin UI state in task metadata or server-side task records.
+
 ---
 
 ## 9. Registering Agent Runtimes

docs/dashboard-guide.md

@@ -40,6 +40,20 @@ Features:
 
 ![List view](./screenshots/list-view.png)
 
+## Graph View
+
+Graph view visualizes task dependencies as an interactive node/edge map.
+
+Navigation:
+- Desktop: **Header → More views → Graph**
+- Mobile: **MobileNavBar → More → Graph**
+
+Behavior:
+- Shows only tasks in `triage`, `todo`, `in-progress`, and `in-review`
+- Excludes `done` and `archived`
+- Supports pan/zoom, fit-to-graph, dependency-chain highlight, and drag-to-position
+- Persists node layout per project using plugin-scoped storage key `fusion-plugin-dependency-graph:positions`
+
 ## Chat View
 
 Chat view provides project-scoped conversations with agents.