Sync local changes from PatentMine (2026-09-07)

prompts/mermaid-depth-1-citation-lookup-goal.md

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+# Goal Prompt: Depth 1 Patent Citation Mermaid
+
+Create a Mermaid diagram for a depth-1 patent citation lookup.
+
+Use the current PatentMine data model as the source of truth:
+- The searched patent is the root node.
+- Backward citations are edges where the root patent cites another patent.
+- Forward citations are edges where another patent cites the root patent.
+- Use review state when available: stored, under_review, ignored, cached.
+- Include freshness/provenance notes if cache metadata is available.
+
+Requirements:
+1. Produce a Mermaid `flowchart LR`.
+2. Put the root patent in the center conceptually as `depth 0`.
+3. Put patents cited by the root in a `Depth 1 backward` subgraph.
+4. Put patents citing the root in a `Depth 1 forward` subgraph.
+5. Render backward edges as `Root -->|"cites"| CitedPatent`.
+6. Render forward edges as `CitingPatent -->|"cites"| Root`.
+7. Use stable Mermaid-safe node IDs, not raw patent numbers as IDs.
+8. Node labels should include patent number and, when available, a short title.
+9. Apply class styling for root and review states.
+10. If a side is empty, include one muted placeholder node such as `No backward citations found`.
+
+Keep the output compact enough for a README or report. Do not include unrelated lookup pipeline details unless the user asks for process documentation.
+

prompts/mermaid-depth-2-citation-lookup-goal.md

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+# Goal Prompt: Depth 2 Patent Citation Mermaid
+
+Create a Mermaid diagram for a depth-2 patent citation lookup.
+
+Use the current PatentMine citation graph semantics:
+- Depth 0 is the searched/root patent.
+- Depth 1 contains direct backward and forward citation neighbors.
+- Depth 2 contains citation neighbors reached from depth-1 patents.
+- Backward expansion follows `source cites target`.
+- Forward expansion follows later patents that cite the current node.
+
+Requirements:
+1. Produce a Mermaid `flowchart LR`.
+2. Group nodes into these subgraphs: `Depth 1 backward`, `Depth 2 backward`, `Depth 1 forward`, and `Depth 2 forward`.
+3. Render citation direction truthfully:
+   - `Root -->|"cites"| D1Backward`
+   - `D1Backward -->|"cites"| D2Backward`
+   - `D1Forward -->|"cites"| Root`
+   - `D2Forward -->|"cites"| D1Forward`
+4. Deduplicate patents that appear through multiple paths. Show a single node and allow multiple incoming edges.
+5. Cap displayed children per expanded node. Prefer 10 to 25 unless the user specifies another limit.
+6. Add collapsed summary nodes such as `+42 more` when results are truncated.
+7. Node labels should include patent number and optional short title or assignee.
+8. Style nodes by depth and review state when possible.
+9. Mark partial data or page-cap hits with a distinct class or note.
+10. Keep the final Mermaid readable in plain Markdown.
+
+If the raw graph is too dense, prioritize patents that are stored, under review, share CPC classes with the root, have assignee/inventor overlap, or have high citation connectivity.
+

prompts/mermaid-depth-3-citation-lookup-goal.md

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+# Goal Prompt: Depth 3 Patent Citation Mermaid
+
+Create a Mermaid representation for a depth-3 patent citation lookup.
+
+Depth 3 citation graphs can explode quickly, so do not render every raw node unless the graph is already small. Produce a summarized inspection map that preserves the traversal meaning while staying readable.
+
+Use these semantics:
+- Depth 0 is the searched/root patent.
+- Depth 1 contains direct citation neighbors.
+- Depth 2 contains neighbors reached from depth 1.
+- Depth 3 contains neighbors reached from depth 2.
+- Preserve true citation direction on every displayed edge.
+
+Requirements:
+1. Produce a Mermaid `flowchart LR`.
+2. Include the root node and separate depth bands or subgraphs for depth 1, depth 2, and depth 3.
+3. Show representative patents at each depth and collapsed count nodes for omitted patents.
+4. Use labels such as `+248 more` or `Cluster: H04N image encoding, +392 patents` for large groups.
+5. Deduplicate patents across paths and show repeated-path importance in labels when useful, for example `3 paths`.
+6. Style depth 1, depth 2, and depth 3 distinctly.
+7. Style review states when available: stored, under_review, ignored, cached.
+8. Mark partial data, unknown counts, timeout, or forward page cap hits clearly.
+9. Include a short legend in Mermaid nodes or classes if styling is not obvious.
+10. Keep the diagram usable in a report; avoid producing an unreadable hairball.
+
+Ranking guidance for representative nodes:
+- Prefer stored and under_review patents.
+- Prefer patents sharing CPC classes, assignees, inventors, or keywords with the root.
+- Prefer patents with high connectivity or multiple paths.
+- Prefer unexpired or strategically relevant patents if expiration data is present.
+
+If the user needs the full depth-3 graph, recommend an interactive renderer or Graphviz/D3 export in addition to the Mermaid summary.
+