🎯 Icarus Phase 8 — 'Silent Observer' (Ambient Coordination)

┌─────────────────────────────────────────────────────────────┐
│  INCOMING MESSAGE STREAM (Telegram Group Chat)             │
└─────────────────────────────────────────────────────────────┘
                              │
                              ▼
┌─────────────────────────────────────────────────────────────┐
│  TIER 1: The Tripwire (Python/Regex or Sub-1B Model)       │
│  • Latency: <10ms                                           │
│  • Resource: Near-zero (CPU only)                            │
│  • Pattern match: dates, times, keywords                     │
│    "pick up", "tomorrow", "schedule", "cover", "June 4th"   │
│  • Confidence threshold: 0.7                                 │
└─────────────────────────────────────────────────────────────┘
                              │
                    ┌─────────┴─────────┐
                    ▼                   ▼
              NO MATCH              MATCH (0.7+)
         (95% of messages)            │
              Drop silently            ▼
                              ┌─────────────────────────────┐
                              │  TIER 2: The Heavy Lifter   │
                              │  (8B LLM - llama3.1:8b)      │
                              │  • Latency: 1-3s             │
                              │  • Resource: Gaming PC GPU    │
                              │  • Full Coordination State    │
                              │    extraction                │
                              │  • Event Graph updates        │
                              └─────────────────────────────┘
                                          │
                                          ▼
                              ┌─────────────────────────────┐
                              │  CONFLICT?                  │
                              │  • Yes → Speak up in chat   │
                              │  • No → Silent update       │
                              └─────────────────────────────┘

_TRIPWIRE_PATTERNS = [
    r'\b(pick up|drop off|cover|schedule)\b',
    r'\b(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)[a-z]* \d{1,2}\b',
    r'\b(tomorrow|next week|Monday|Tuesday|Wednesday|Thursday|Friday)\b',
    r'\b(\d{1,2}:\d{2}|\d{1,2} (am|pm))\b',
    r'\b(Sully|Harper|kids?|children)\b',
]

def tripwire_check(message: str) -> float:
    score = 0.0
    for pattern in _TRIPWIRE_PATTERNS:
        if re.search(pattern, message, re.IGNORECASE):
            score += 0.15
    return min(score, 1.0)

You are the Silent Observer's Coordination Extractor.

CONTEXT:
- Message from family group chat
- Tripwire detected: potential coordination content
- Current date: {today}
- Family: Matt (father), Aundrea (mother), Sully (son, 1st grade), Harper (daughter)

MESSAGE:
{message}

TASK:
Extract structured coordination state if present.

OUTPUT FORMAT:
{
  "is_coordination": true | false,
  "coordination_type": "transport" | "care_coverage" | "schedule_change" | "other" | null,
  "dates": ["YYYY-MM-DD"],
  "assigned_to": ["matt" | "aundrea" | "unspecified"],
  "child": ["sully" | "harper" | "both" | null],
  "details": string | null,
  "needs_confirmation": boolean,
  "blocking": boolean,
  "confidence": 0.0-1.0
}

If not coordination, return {"is_coordination": false, "confidence": 0.0}