diff --git a/.claude/agent-depth.lock b/.claude/agent-depth.lock
deleted file mode 100644
index 56a6051..0000000
--- a/.claude/agent-depth.lock
+++ /dev/null
@@ -1 +0,0 @@
-1
\ No newline at end of file
diff --git a/.claude/agent-depth.lock.flock b/.claude/agent-depth.lock.flock
deleted file mode 100644
index e69de29..0000000
diff --git a/.claude/learn/failures.jsonl b/.claude/learn/failures.jsonl
deleted file mode 100644
index dc3b0de..0000000
--- a/.claude/learn/failures.jsonl
+++ /dev/null
@@ -1 +0,0 @@
-{"type":"tool_failure","tool":"Read","error":"File does not exist. Note: your current working directory is /mnt/code/Booster-role.","id":"tool_failure-1780680948157-w915py","timestamp":"2026-06-05T17:35:48.157Z","resolved":false}
diff --git a/.claude/session-20260606.log b/.claude/session-20260606.log
deleted file mode 100644
index 1cbb557..0000000
--- a/.claude/session-20260606.log
+++ /dev/null
@@ -1,13 +0,0 @@
-[17:34:23] PROMPT: fix bug "Bun v1.3.4 (Linux x64 baseline)
-{"guildId":"1206212469148749834","level":"info","message":"Registering guild commands","timestamp":
-[17:34:32] PROMPT: fix bug "Bun v1.3.4 (Linux x64 baseline)
-{"guildId":"1206212469148749834","level":"info","message":"Registering guild commands","timestamp":
-[17:34:46] TASK+: unknown
-[17:34:46] TASK+: unknown
-[17:34:46] TASK+: unknown
-[17:34:57] AGENT START: 
-[17:35:04] AGENT SPAWN: coder-workflow:codebase-qa-agent
-[17:35:47] FAIL [Read]: File does not exist. Note: your current working directory is /mnt/code/Booster-role.
-[17:38:37] TASK done: 
-[17:38:39] PROMPT: Write a 1-line conventional commit message summarizing these staged changes. Output ONLY the raw commit message, no markdown.
-diff --git a/.
diff --git a/.claude/stop-block.count b/.claude/stop-block.count
deleted file mode 100644
index 573541a..0000000
--- a/.claude/stop-block.count
+++ /dev/null
@@ -1 +0,0 @@
-0
diff --git a/.codegraph/graph.db b/.codegraph/graph.db
deleted file mode 100644
index 1ee1cd9..0000000
Binary files a/.codegraph/graph.db and /dev/null differ
diff --git a/.gitignore b/.gitignore
index 5563af0..e00b84b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,5 @@
 node_modules/
 .env
-data/
\ No newline at end of file
+data/
+.codegraph/
+.claude/
\ No newline at end of file
diff --git a/src/db/schema.ts b/src/db/schema.ts
index fa81497..018c1e7 100644
--- a/src/db/schema.ts
+++ b/src/db/schema.ts
@@ -8,6 +8,7 @@ export const boosterRoles = pgTable(
     roleId: text("role_id").notNull(),
     name: text("name").notNull(),
     color: text("color"),
+    color2: text("color2"),
     icon: text("icon"),
     createdAt: bigint("created_at", { mode: "number" }).notNull(),
     updatedAt: bigint("updated_at", { mode: "number" }).notNull()
diff --git a/src/domain/roleGuards.ts b/src/domain/roleGuards.ts
index 9593f8b..4fb3f78 100644
--- a/src/domain/roleGuards.ts
+++ b/src/domain/roleGuards.ts
@@ -75,6 +75,10 @@ export function normalizeHexColor(color: string): `#${string}` {
   return normalizedColor as `#${string}`;
 }
 
+export function normalizeOptionalHexColor(color: string | null): `#${string}` | null {
+  return color ? normalizeHexColor(color) : null;
+}
+
 function normalizeName(name: string): string {
   return name.trim().toLowerCase();
 }