feat: add Supermemory memory plugin for Clawdbot

[Prasanna721]

feat: add Supermemory memory plugin for Clawdbot

Supermemory Plugin — long-term memory for Clawdbot

Changes:

• Auto-recall hook injects relevant memories + user profile into context before every AI turn
• Auto-capture hook stores conversation turns after each agent interaction, strips injected tags before saving
• 4 AI tools: supermemory_search, supermemory_store, supermemory_forget, supermemory_profile
• 2 slash commands: /remember (save to memory), /recall (search memories)
• 3 CLI commands: supermemory search, supermemory profile, supermemory wipe (bulk delete with confirmation)
• Supermemory SDK client with input validation, content sanitization, and metadata enforcement
• Request integrity headers (HMAC-SHA256 signing) for server-side plugin access verification
• Configurable capture modes: all (filters short texts, strips injected context) vs everything (raw)
• Memory deduplication across static profile, dynamic context, and search results during recall
• Automatic memory category detection (preference, fact, decision, entity)
• Container tag scoping per hostname for multi-machine isolation
• Session-based document IDs for grouping conversation memories
• Profile injection frequency control (full profile every N turns, search results every turn)
• Structured logger with debug mode for API request/response tracing
• Environment variable resolution in config (${SUPERMEMORY_API_KEY})
• Compiled validation module (lib/validate.js) with API key format checks, content sanitization, metadata limits

biome ci fix

[Prasanna721]

• feat: add Supermemory memory plugin for Clawdbot #1 👈 (View in Graphite)
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