chore(pulse): Add Dec 23 ecosystem digest

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

pulse/state.json

@@ -1,31 +1,45 @@
 {
   "version": "1.0",
-  "last_run": "2025-12-12T12:20:00Z",
+  "last_run": "2025-12-23T12:00:00Z",
   "seen_urls": [
     "https://www.anthropic.com/engineering/effective-harnesses-for-long-running-agents",
     "https://www.anthropic.com/engineering/advanced-tool-use",
     "https://www.anthropic.com/engineering/code-execution-with-mcp",
     "https://www.anthropic.com/engineering/claude-code-sandboxing",
     "https://www.anthropic.com/engineering/equipping-agents-for-the-real-world-with-agent-skills",
-    "https://github.com/marconae/spec-oxide",
-    "https://github.com/automazeio/vibeproxy",
-    "https://github.com/naxoc/riffrag",
-    "https://github.com/max-sixty/worktrunk",
-    "https://github.com/zubayer0077/Claude-Multi-Agent-Research-System-Skill",
-    "https://github.com/YonickAzuma/claude-code-mux",
+    "https://github.com/anthropics/claude-code/releases/tag/v2.0.74",
+    "https://www.anthropic.com/news/donating-the-model-context-protocol-and-establishing-of-the-agentic-ai-foundation",
+    "https://www.anthropic.com/news/compliance-framework-SB53",
+    "https://www.anthropic.com/news/genesis-mission-partnership",
+    "https://www.anthropic.com/news/protecting-well-being-of-users",
+    "https://github.com/x1xhlol/system-prompts-and-models-of-ai-tools",
+    "https://github.com/musistudio/claude-code-router",
+    "https://github.com/wshobson/agents",
+    "https://github.com/thedotmack/claude-mem",
+    "https://github.com/ryoppippi/ccusage",
+    "https://github.com/czlonkowski/n8n-mcp",
+    "https://github.com/obra/superpowers",
+    "https://simonwillison.net/2025/Dec/22/claude-chrome-cloudflare/",
+    "https://simonwillison.net/2025/Dec/18/code-proven-to-work/",
+    "https://simonwillison.net/2025/Dec/17/gemini-3-flash/",
     "https://skillsmp.com",
     "https://awesomeclaude.ai",
-    "https://simonwillison.net",
-    "https://blog.sshh.io"
+    "https://simonwillison.net"
   ],
   "seen_commits": {
-    "anthropics/claude-code": "2192c86"
+    "anthropics/claude-code": "d213a74",
+    "anthropics/skills": "69c0b1a"
   },
   "digest_history": [
     {
       "date": "2025-12-12",
       "file": "2025-12-12_pulse.md",
       "items_count": 24
+    },
+    {
+      "date": "2025-12-23",
+      "file": "2025-12-23_pulse.md",
+      "items_count": 18
     }
   ]
 }