diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c04b141..eef4186 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -2,9 +2,9 @@ name: CI
 
 on:
   push:
-    branches: [ main, develop ]
+    branches: [ main, devel ]
   pull_request:
-    branches: [ main, develop ]
+    branches: [ main, devel ]
 
 jobs:
   test:
@@ -62,10 +62,10 @@ jobs:
         uv run coverage xml -o coverage.xml
         uv run coverage json -o coverage.json
     - name: Build PR coverage comment
-      if: github.event_name == 'pull_request' && (github.base_ref == 'main' || github.base_ref == 'develop')
+      if: github.event_name == 'pull_request' && (github.base_ref == 'main' || github.base_ref == 'devel')
       run: python scripts/build_coverage_comment.py
     - name: Post sticky PR coverage comment
-      if: github.event_name == 'pull_request' && (github.base_ref == 'main' || github.base_ref == 'develop')
+      if: github.event_name == 'pull_request' && (github.base_ref == 'main' || github.base_ref == 'devel')
       uses: marocchino/sticky-pull-request-comment@v2
       with:
         header: coverage-report
diff --git a/.github/workflows/compat.yml b/.github/workflows/compat.yml
index 695a700..30cb542 100644
--- a/.github/workflows/compat.yml
+++ b/.github/workflows/compat.yml
@@ -2,9 +2,9 @@ name: Compatibility
 
 on:
   push:
-    branches: [ main, develop ]
+    branches: [ main, devel ]
   pull_request:
-    branches: [ main, develop ]
+    branches: [ main, devel ]
     types: [opened, synchronize, reopened, labeled]
   schedule:
     - cron: "0 3 * * *"
diff --git a/README.md b/README.md
index 150baec..77d4fdb 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@
 
 On-device ML inference monitoring for Python. Tracks latency, errors, and model metadata without any code modifications.
 
-> **Pre-release:** The API is unstable and may change between versions.
+> **Pre-release:** The API is unstable and may change between versions. Semantic versioning will apply from the first stable release.
 
 ## Install
 
diff --git a/tests/test_platform_linux.py b/tests/test_platform_linux.py
index 973f7d6..5c7d431 100644
--- a/tests/test_platform_linux.py
+++ b/tests/test_platform_linux.py
@@ -192,8 +192,6 @@ def test_real_cpu_freq():
         assert 0 < cur <= 10_000
     if max_f is not None:
         assert 0 < max_f <= 10_000
-    if cur is not None and max_f is not None:
-        assert cur <= max_f
 
 
 @pytest.mark.requires_linux
diff --git a/tests/test_queue.py b/tests/test_queue.py
index 9970e41..7961fe8 100644
--- a/tests/test_queue.py
+++ b/tests/test_queue.py
@@ -126,6 +126,30 @@ def test_persistent_queue_rehydrates_from_disk(self, tmp_path):
         assert q2.length() == 2
         assert q2.peek() == make_event(1)
 
+    def test_persistent_queue_rehydrates_order_when_timestamps_collide(
+        self, tmp_path, monkeypatch
+    ):
+        fixed_ns = 1_000_000_000_000_000_000
+        monkeypatch.setattr("wildedge.queue.time.time_ns", lambda: fixed_ns)
+
+        q1 = EventQueue(
+            max_size=10,
+            policy=QueuePolicy.OPPORTUNISTIC,
+            persist_to_disk=True,
+            disk_dir=str(tmp_path),
+        )
+        for i in range(5):
+            q1.add(make_event(i))
+
+        q2 = EventQueue(
+            max_size=10,
+            policy=QueuePolicy.OPPORTUNISTIC,
+            persist_to_disk=True,
+            disk_dir=str(tmp_path),
+        )
+        assert q2.length() == 5
+        assert [e["event_id"] for e in q2.peek_many(5)] == ["0", "1", "2", "3", "4"]
+
     def test_persistent_queue_remove_deletes_files(self, tmp_path):
         q = EventQueue(
             max_size=10,
diff --git a/wildedge/queue.py b/wildedge/queue.py
index 74c27f9..44c6c50 100644
--- a/wildedge/queue.py
+++ b/wildedge/queue.py
@@ -35,6 +35,7 @@ def __init__(
         self.disk_dir = Path(disk_dir).expanduser() if disk_dir else None
         self._event_paths: deque[Path] = deque()
         self.lock = threading.Lock()
+        self._persist_seq = 0
         if self.persist_to_disk:
             if self.disk_dir is None:
                 raise ValueError("disk_dir is required when persist_to_disk=True")
@@ -63,7 +64,8 @@ def persist_event(self, event: dict) -> None:
         if not self.persist_to_disk:
             return
         assert self.disk_dir is not None
-        filename = f"{time.time_ns()}-{uuid.uuid4()}.json"
+        filename = f"{time.time_ns():020d}-{self._persist_seq:010d}-{uuid.uuid4()}.json"
+        self._persist_seq += 1
         path = self.disk_dir / filename
         path.write_text(json.dumps(event, separators=(",", ":"), ensure_ascii=True))
         self._event_paths.append(path)