docs: fix drift in Graph Viewer

[jack-arturo]

Automated docs-accuracy audit of docs/graph-viewer/overview. Draft because the snapshot-cap fix rewrites an explanatory paragraph.

Claim	Current state	Fix	Evidence
"arrow keys to traverse nodes, Enter to select, / to focus search, ? for shortcuts help"	Neither Enter nor / is bound. The registered keys are ArrowUp/Down/Left/Right, Tab, Escape, p, r, R, ,, l, ? — and the app's own help panel adds Shift+arrows for Z-axis movement.	Replaced the sentence with the real shortcut table, matching the in-app help	automem-graph-viewer@c6338d1:src/hooks/useKeyboardNavigation.ts#L153-L258, #L281-L291
Force layout table lists 4 parameters: Charge strength, Link distance, Center gravity, Collision radius	ForceConfig has 5 fields. linkStrength (0.1–1.0, default 0.5) was missing entirely, and the field is named centerStrength, not "center gravity".	Added the missing parameter, corrected the name, and added the documented range/default columns	src/lib/types.ts#L130-L136
"The overview loads the most important memories first (default 2,000 nodes)."	2,000 is right, but the framing is stale. The server's min(limit, 2000) cap was lifted (automem PR #141), so MAX_SNAPSHOT = 2000 is now a client-side limit set by the main-thread physics wall — and it is user-overridable via ?cap= or localStorage.automem_snapshot_cap, which the page never mentions.	Rewrote the paragraph around the client-side ceiling and documented the escape hatch	src/api/client.ts#L161-L191

Verified against: verygoodplugins/automem-graph-viewer@c6338d1
Verified against: verygoodplugins/automem@8ff266e (for the /viewer compatibility routes)

Checked and found correct, left untouched: the StatsBar "In view" / "In store" scope language, the four clustering modes (ClusterMode = 'type' | 'tags' | 'semantic' | 'entity' | 'none', with semantic = connected components over edges of strength ≥ 0.5), single-level expansion undo in useExpandableGraph, the SearchBar debounce + recent-search history, the /graph/neighbors expand path, "no environment variable required" for hand tracking, the npm run dev:all iPhone bridge, and every component and hook filename in the architecture tree.

One near-miss worth recording: I flagged "Referenced entities (people, places, etc.)" as wrong, since places isn't one of AutoMem's headline entity categories — then found automem/api/recall.py#L1355 iterating ("people", "places", "organizations"). It's correct; left alone.

Questions

• The architecture tree omits the top-level src/types/ and src/utils/ directories (and main.tsx, index.css). Since it already abridges hooks/ with a ..., I read it as a curated overview rather than a literal listing and left it alone — but if it's meant to be complete, those two directories should be added.

Unverified

None — every code-anchored claim on this page resolved to current source.

Follow-ups

Beyond what's fixed here:

1. "Nodes are colored and sized by memory type, importance, or custom attributes." The "custom attributes" clause has no obvious counterpart in palette.ts or the display settings; worth either substantiating or dropping.
2. Semantic clustering's 0.5 strength threshold is undocumented. "Strongly-connected relationship clusters" is accurate but the concrete cutoff would be more useful.
3. useTagCloud / TagCloud, useFilterChips, EdgeParticles, and the hand recording/playback hooks are shipped features with no mention on this page.

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