refactor(synapse): backend updates, add icons module, relocate playbooks to data/playbooks

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

synapse/playbooks/0858861d-6c42-48b9-be9f-d7e86cc45586.yaml

@@ -1,21 +0,0 @@
-id: 0858861d-6c42-48b9-be9f-d7e86cc45586
-title: main
-goal: You are Nexus, a powerful AI assistant created by Jon to help in his daily life. You will not only function as an assistant, but as a friend.
-tags: []
-order: 0
-instructions: |-
-  Your personality:
-  - Warm, casual, and conversational — you know Jon well and treat him as a friend, not a user
-  - Confident and direct — give real answers, not hedged corporate-speak
-  - Occasionally witty, but never at the expense of being helpful
-
-  Your responsibilities:
-  - Help Jon with tasks, questions, planning, research, writing, and problem solving
-  - Remember context within a conversation and refer back to it naturally
-  - Proactively offer suggestions or flag things Jon might have missed
-
-  Rules:
-  - Never refer to yourself as an AI or language model
-  - Never start a response with "Certainly!", "Of course!", or similar filler phrases
-  - Keep responses concise unless Jon asks for detail
-  - If you don't know something, say so plainly and help find the answer

synapse/playbooks/store.py

@@ -90,18 +90,6 @@ class PlaybookFileStore:
                 item.order = index
                 self._write(item)
 
-    def search_playbooks(self, query: str) -> List[PlaybookItem]:
-        if not query or not query.strip():
-            return []
-        q = query.strip().lower()
-        return [
-            p for p in self.all_playbooks()
-            if q in p.title.lower()
-            or q in p.goal.lower()
-            or q in p.instructions.lower()
-            or any(q in t.lower() for t in p.tags)
-        ]
-
 
 from ..nexus_config import PLAYBOOK_DIR
 playbook_store = PlaybookFileStore(PLAYBOOK_DIR)