feat: initial bootstrap — structure, task_brief, blackboard, adapter bases, escalation, prompts

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

requirements.txt

@@ -0,0 +1,24 @@
+# the-agency — Python dependencies
+# Python 3.11+ required
+
+# LLM provider
+anthropic
+
+# Configuration parsing
+pyyaml
+
+# Environment variable management
+python-dotenv
+
+# --- stdlib-only (no pip install needed) ---
+# sqlite3   — blackboard persistence
+# dataclasses — task_brief schema
+# uuid      — unique id generation
+# datetime  — ISO-8601 timestamps
+# abc       — abstract base classes
+# enum      — FailureType enumeration
+# json      — payload serialisation
+# threading — Blackboard connection lock
+# copy      — brief deep-copy in escalation
+# os        — path and directory operations
+# typing    — type hints throughout