From f04e2161b9008305ee5924572680a0a6417f6445 Mon Sep 17 00:00:00 2001
From: koen666 <koendrunk@gmail.com>
Date: Mon, 6 Apr 2026 21:46:23 +0800
Subject: [PATCH 1/3] Fix startup resilience for optional deps and schema state

---
 agents/domain_summary_agent.py |  4 ++--
 db/evidence_graph.py           | 12 ++++++++++++
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/agents/domain_summary_agent.py b/agents/domain_summary_agent.py
index b3f671e..8817cdf 100644
--- a/agents/domain_summary_agent.py
+++ b/agents/domain_summary_agent.py
@@ -1,6 +1,4 @@
 """Generate plain-language domain summaries and research opportunities."""
-from agents.llm_client import call_llm_json
-
 
 SYSTEM_PROMPT = """You explain research landscapes to non-specialists.
 
@@ -44,6 +42,8 @@
 
 def generate_domain_summary(node: dict, snapshot: dict) -> tuple[dict, int]:
     """Generate a node summary from structured evidence."""
+    from agents.llm_client import call_llm_json
+
     papers = snapshot.get("papers", [])
     paper_lines = []
     for idx, paper in enumerate(papers[:12], start=1):
diff --git a/db/evidence_graph.py b/db/evidence_graph.py
index fd59714..f7f45a7 100644
--- a/db/evidence_graph.py
+++ b/db/evidence_graph.py
@@ -381,6 +381,12 @@ def _candidate_block_keys(entity: dict) -> set[str]:
 
 def list_merge_candidates(status: str = "pending", limit: int = 100, entity_type: str | None = None) -> list[dict]:
     """List merge candidates with display metadata."""
+    table_exists = db.fetchone(
+        "SELECT name FROM sqlite_master WHERE type='table' AND name='entity_merge_candidates'"
+    )
+    if not table_exists:
+        return []
+
     sql = """
         SELECT emc.*, 
                p.canonical_name AS primary_name, p.entity_type AS primary_type,
@@ -453,6 +459,12 @@ def _collect_entity_context(entity_id: str, limit: int = 5) -> dict:
 
 def get_merge_candidate_context(candidate_id: int) -> dict | None:
     """Return a merge candidate plus supporting node/paper/relation context."""
+    table_exists = db.fetchone(
+        "SELECT name FROM sqlite_master WHERE type='table' AND name='entity_merge_candidates'"
+    )
+    if not table_exists:
+        return None
+
     row = db.fetchone(
         """SELECT emc.*, 
                   p.canonical_name AS primary_name, p.entity_type AS primary_type, p.aliases AS primary_aliases,

From 78a5b0ebcb57b45ced3d9e6d4905c599d30199fd Mon Sep 17 00:00:00 2001
From: koen666 <koendrunk@gmail.com>
Date: Tue, 7 Apr 2026 00:28:11 +0800
Subject: [PATCH 2/3] Add VS Code Power Query symbol settings

---
 .../excel-pq-symbols/excel-pq-symbols.json    | 31 +++++++++++++++++++
 .vscode/settings.json                         |  5 +++
 2 files changed, 36 insertions(+)
 create mode 100644 .vscode/excel-pq-symbols/excel-pq-symbols.json
 create mode 100644 .vscode/settings.json

diff --git a/.vscode/excel-pq-symbols/excel-pq-symbols.json b/.vscode/excel-pq-symbols/excel-pq-symbols.json
new file mode 100644
index 0000000..a94b204
--- /dev/null
+++ b/.vscode/excel-pq-symbols/excel-pq-symbols.json
@@ -0,0 +1,31 @@
+[
+    {
+        "name": "Excel.CurrentWorkbook",
+        "documentation": {
+            "description": "Returns the contents of the current Excel workbook.",
+            "longDescription": "Returns tables, named ranges, and dynamic arrays. Unlike Excel.Workbook, it does not return sheets.",
+            "category": "Accessing data"
+        },
+        "functionParameters": [],
+        "completionItemKind": 3,
+        "isDataSource": true,
+        "type": "table"
+    },
+    {
+        "name": "Documentation",
+        "documentation": {
+            "description": "Contains properties for function documentation metadata",
+            "category": "Documentation"
+        },
+        "functionParameters": [],
+        "completionItemKind": 9,
+        "isDataSource": false,
+        "type": "record",
+        "fields": {
+            "Name": { "type": "text" },
+            "Description": { "type": "text" },
+            "Parameters": { "type": "record" }
+        }
+    }    
+
+]
\ No newline at end of file
diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..10678e7
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,5 @@
+{
+    "powerquery.client.additionalSymbolsDirectories": [
+        "/Users/heke/Deepgraph/.vscode/excel-pq-symbols"
+    ]
+}
\ No newline at end of file

From d023e01df09d2688dc8aabf8c33fa25c4a29af74 Mon Sep 17 00:00:00 2001
From: koen666 <koendrunk@gmail.com>
Date: Tue, 7 Apr 2026 00:35:34 +0800
Subject: [PATCH 3/3] Add @koen666 to CLA signers

---
 cla-signers.json | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/cla-signers.json b/cla-signers.json
index 06f8c29..e6758e4 100644
--- a/cla-signers.json
+++ b/cla-signers.json
@@ -1,4 +1,8 @@
 {
   "format_version": 1,
-  "signers": []
+  "signers": [
+    {
+      "github": "koen666"
+    }
+  ]
 }