From 3566a0a0041ae7c0d17d1a83d1e7eb5349225248 Mon Sep 17 00:00:00 2001
From: banteg <4562643+banteg@users.noreply.github.com>
Date: Mon, 29 Dec 2025 13:53:10 +0400
Subject: [PATCH] feat: require resume line for session ids

---
 .../src/codex_telegram_bridge/exec_bridge.py          | 11 +++++++----
 codex_telegram_bridge/tests/test_exec_bridge.py       |  9 ++++++++-
 2 files changed, 15 insertions(+), 5 deletions(-)

diff --git a/codex_telegram_bridge/src/codex_telegram_bridge/exec_bridge.py b/codex_telegram_bridge/src/codex_telegram_bridge/exec_bridge.py
index 19b4a5a..88379d9 100644
--- a/codex_telegram_bridge/src/codex_telegram_bridge/exec_bridge.py
+++ b/codex_telegram_bridge/src/codex_telegram_bridge/exec_bridge.py
@@ -24,16 +24,19 @@ from .rendering import render_markdown
 from .telegram_client import TelegramClient
 
 logger = logging.getLogger(__name__)
-UUID_PATTERN = re.compile(
-    r"(?i)\b[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}\b"
+UUID_PATTERN_TEXT = r"\b[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}\b"
+UUID_PATTERN = re.compile(UUID_PATTERN_TEXT, re.IGNORECASE)
+RESUME_LINE = re.compile(
+    rf"^\s*resume\s*:\s*`?(?P<id>{UUID_PATTERN_TEXT})`?\s*$",
+    re.IGNORECASE | re.MULTILINE,
 )
 
 
 def extract_session_id(text: str | None) -> str | None:
     if not text:
         return None
-    if m := UUID_PATTERN.search(text):
-        return m.group(0)
+    if m := RESUME_LINE.search(text):
+        return m.group("id")
     return None
 
 
diff --git a/codex_telegram_bridge/tests/test_exec_bridge.py b/codex_telegram_bridge/tests/test_exec_bridge.py
index da37f12..94aa3ab 100644
--- a/codex_telegram_bridge/tests/test_exec_bridge.py
+++ b/codex_telegram_bridge/tests/test_exec_bridge.py
@@ -8,11 +8,18 @@ from codex_telegram_bridge.exec_bridge import extract_session_id, truncate_for_t
 
 def test_extract_session_id_finds_uuid_v7() -> None:
     uuid = "019b66fc-64c2-7a71-81cd-081c504cfeb2"
-    text = f"resume session `{uuid}` please"
+    text = f"resume: `{uuid}`"
 
     assert extract_session_id(text) == uuid
 
 
+def test_extract_session_id_requires_resume_line() -> None:
+    uuid = "019b66fc-64c2-7a71-81cd-081c504cfeb2"
+    text = f"here is a uuid {uuid}"
+
+    assert extract_session_id(text) is None
+
+
 def test_truncate_for_telegram_preserves_resume_line() -> None:
     uuid = "019b66fc-64c2-7a71-81cd-081c504cfeb2"
     md = ("x" * 10_000) + f"\nresume: `{uuid}`"