fix: Use actual project key for session Jira issues instead of hardcoded CF

The project parameter was passed to createSessionIssue() but ignored -
all sessions were created in the CF Jira project regardless of the
actual session project (ST, LLB, GB, etc.).

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/services/jira.ts

@@ -48,7 +48,7 @@ async function jiraFetch(path: string, options: RequestInit = {}): Promise<Respo
 }
 
 /**
- * Create a Jira issue in the CF project for session tracking.
+ * Create a Jira issue for session tracking in the given project.
  */
 export async function createSessionIssue(params: {
   sessionNumber: number | null;
@@ -81,7 +81,7 @@ export async function createSessionIssue(params: {
       method: 'POST',
       body: JSON.stringify({
         fields: {
-          project: { key: 'CF' },
+          project: { key: project },
           summary,
           description: {
             type: 'doc',