fix: use fresh=true for Octarine saves to prevent content duplication

Octarine's create action appends by default. If auto-save fires on plan
arrival and the user then approves within the same minute, the same path
gets hit twice — doubling the content. Using fresh=true replaces instead.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: backnotprop

packages/server/integrations.ts

@@ -355,7 +355,7 @@ export async function saveToOctarine(config: OctarineConfig): Promise<Integratio
     const frontmatter = generateOctarineFrontmatter(tags);
     const content = `${frontmatter}\n\n${plan}`;
 
-    const url = `octarine://create?path=${encodeURIComponent(path)}&content=${encodeURIComponent(content)}&workspace=${encodeURIComponent(workspace)}&openAfter=false`;
+    const url = `octarine://create?path=${encodeURIComponent(path)}&content=${encodeURIComponent(content)}&workspace=${encodeURIComponent(workspace)}&fresh=true&openAfter=false`;
 
     await $`open ${url}`.quiet();