arcgram

Generate an interactive node-and-edge diagram as a single standalone HTML file (Arcgram v2). Triggers on: arcgram, interactive/architectural diagram, topology, node graph, flow diagram, system map, dependency graph, workflow diagram, knowledge map, 'show me how X connects to Y', 'visualize this workflow', 'make this a topology', 'build a diagram of this'. Prefer for any system map, dependency graph, topology, or workflow picture even if interactivity wasn't asked for; on a follow-up 'make it inline' / 'show me' / 'render in chat', stay within Arcgram (Mode 1/2), don't switch tools.

Check that an Arcgram diagram's @spec values still match the code that implements it. Reads each node's desc "@spec key=value" line, finds the same-named code constant (hold_ms <-> HOLD_MS / holdMs), diffs the literals. Typed findings: drift, missing constant, non-literal, ambiguous. Reads only the @spec line + named constants, never geometry; marks, never blocks. Run after editing a diagram or its code. Agent-neutral. Sibling to Checkpoint (Checkpoint = structure; Reconcile = values).

Run both Arcgram self-checks in one call. A thin wrapper over Checkpoint (structure) and Reconcile (values): validate(diagram,{code}) runs Checkpoint always and Reconcile when code is supplied, then merges into one source-tagged result in the same {findings,summary,attestation,clean} contract. clean = checkpoint.clean && reconcile.clean. Adds no new check; marks, never blocks. Run after authoring or editing a diagram and its code. Agent-neutral. The single door over its two siblings.

Validate an Arcgram diagram as a logic spec: is the flow well-formed and coherent? Reads node/edge structure (id/f/t/kind/role/type), never geometry. Typed findings - dangling edge, orphan node, missing branch, disconnected island, duplicate id, missing schema, plus optional coherence (every action traces to a goal). Marks, never blocks. Run after authoring or editing a diagram. Agent-neutral. Sibling to Reconcile (Checkpoint = structure; Reconcile = values).