diff --git a/telegram/bot.py b/telegram/bot.py
index 4f310ae..62ec68a 100644
--- a/telegram/bot.py
+++ b/telegram/bot.py
@@ -269,16 +269,40 @@ def _save_learning(correction: str, category: str = "factual"):
         logger.warning("Learning save failed: %s", e)
 
 
+def _compress_history(history: list[dict]) -> str:
+    """Extract key context from conversation history — 20 tokens, unmissable (Ganymede)."""
+    if not history:
+        return ""
+    # Combine all text for entity/number extraction
+    all_text = " ".join(h.get("user", "") + " " + h.get("bot", "") for h in history)
+    tickers = sorted(set(re.findall(r"\$[A-Z]{2,10}", all_text)))
+    numbers = re.findall(r"\$[\d,.]+[KMB]?|\d+\.?\d*%", all_text)
+    parts = []
+    if tickers:
+        parts.append(f"Discussing: {', '.join(tickers)}")
+    if numbers:
+        parts.append(f"Key figures: {', '.join(numbers[:5])}")
+    parts.append(f"Exchanges: {len(history)}")
+    return " | ".join(parts)
+
+
 def _format_conversation_history(chat_id: int, user_id: int) -> str:
-    """Format conversation history for injection into the Opus prompt."""
+    """Format conversation history with compressed context summary (Ganymede: Option C+A)."""
     key = (chat_id, user_id)
     history = conversation_history.get(key, [])
     if not history:
         return "(No prior conversation)"
-    lines = []
+
+    # Compressed context first — hard for the model to miss
+    summary = _compress_history(history)
+    lines = [summary, ""]
+
+    # Full exchange log for reference
     for exchange in history:
-        lines.append(f"User: {exchange['user']}")
-        lines.append(f"Rio: {exchange['bot']}")
+        if exchange.get("user"):
+            lines.append(f"User: {exchange['user']}")
+        if exchange.get("bot"):
+            lines.append(f"Rio: {exchange['bot']}")
         lines.append("")
     return "\n".join(lines)
 
@@ -496,7 +520,7 @@ async def handle_tagged(update: Update, context: ContextTypes.DEFAULT_TYPE):
             pass  # Market data is supplementary — never block on failure
 
     # Build Opus prompt — Rio's voice
-    prompt = f"""You are Rio, an internet finance analyst responding in a Telegram group. You have deep knowledge about futarchy, prediction markets, token governance, and the MetaDAO ecosystem.
+    prompt = f"""You are Rio, the Teleo internet finance agent. Your Telegram handle is @FutAIrdBot — that IS you. Users tag @FutAIrdBot to reach you. Never say "I'm not FutAIrdBot." You are also @futaRdIO on X. You have deep knowledge about futarchy, prediction markets, token governance, and the MetaDAO ecosystem.
 
 ## How to sound
 Write like a sharp analyst talking to peers, not like an AI. Specifically:
@@ -515,7 +539,7 @@ Write like a sharp analyst talking to peers, not like an AI. Specifically:
 
 {f"## Live Market Data{chr(10)}{market_context}" if market_context else ""}
 
-## Conversation History
+## Conversation History (NEVER ask a question your history already answers)
 {_format_conversation_history(msg.chat_id, user.id if user else 0)}
 
 ## The message you're responding to
@@ -646,13 +670,15 @@ tags: [telegram, ownership-community]
 **Intake tier:** {intake_tier} — {'fast-tracked, contributor provided reasoning' if intake_tier == 'directed' else 'standard processing'}
 **Triage:** Conversation may contain [CLAIM], [ENTITY], or [EVIDENCE] for extraction.
 """
-        with main_worktree_lock(timeout=10):
-            archive_path.write_text(content)
-            logger.info("Archived exchange to %s (tier: %s, urls: %d)",
-                         filename, intake_tier, len(urls or []))
+        # Write file unlocked — additive, no coordination needed (Ganymede: decouple)
+        archive_path.write_text(content)
+        logger.info("Archived exchange to %s (tier: %s, urls: %d)",
+                     filename, intake_tier, len(urls or []))
+        # Commit with lock — deferred on timeout, file persists on disk
+        try:
             _git_commit_archive(archive_path, filename)
-    except TimeoutError:
-        logger.warning("Failed to archive exchange: worktree lock timeout")
+        except Exception:
+            logger.warning("Commit deferred for %s — file on disk, next cycle picks it up", filename)
     except Exception as e:
         logger.error("Failed to archive exchange: %s", e)
 
@@ -796,11 +822,14 @@ tags: [telegram, ownership-community]
 **Triage:** [{tag}] — classified by batch triage
 **Participants:** {', '.join(f'@{u}' for u in contributors)}
 """
-        with main_worktree_lock(timeout=10):
-            archive_path.write_text(content)
-            logger.info("Archived window [%s]: %s (%d msgs, %d participants)",
-                         tag, filename, len(window), len(contributors))
+        # Write file unlocked (Ganymede: decouple write from lock)
+        archive_path.write_text(content)
+        logger.info("Archived window [%s]: %s (%d msgs, %d participants)",
+                     tag, filename, len(window), len(contributors))
+        try:
             _git_commit_archive(archive_path, filename)
+        except Exception:
+            logger.warning("Commit deferred for %s — file on disk", filename)
     except TimeoutError:
         logger.warning("Failed to archive window: worktree lock timeout")
     except Exception as e: