Phase 7: Directory restructuring (messaging/ and tests/)

- Create messaging/platforms/ (base, discord, telegram, factory)
- Create messaging/rendering/ (discord_markdown, telegram_markdown)
- Create messaging/trees/ (data, repository, processor, queue_manager)
- Organize tests/ into api/, providers/, messaging/, cli/, config/
- Add backward-compatible re-exports at old locations
- Update handler.py and test_messaging_factory.py imports
- Fix Telegram type hints for TELEGRAM_AVAILABLE=False case
- Fix Python 3 except syntax in discord_markdown

Co-authored-by: Ali Khokhar <alishahryar2@gmail.com>

tests/config/test_logging_utils_edge_cases.py

@@ -0,0 +1,99 @@
+from unittest.mock import MagicMock
+
+from providers.logging_utils import (
+    generate_request_fingerprint,
+    get_last_user_message_preview,
+    get_tool_names,
+    log_request_compact,
+)
+
+
+def test_generate_request_fingerprint_handles_mixed_message_shapes():
+    class TextBlock:
+        def __init__(self, text: str):
+            self.text = text
+
+    class TypeBlock:
+        def __init__(self, t: str):
+            self.type = t
+
+    class MsgWithContent:
+        def __init__(self, content):
+            self.content = content
+
+    class MsgWithRole:
+        def __init__(self, role: str):
+            self.role = role
+
+    msg1 = MsgWithContent([TextBlock("hello"), TypeBlock("tool_use")])
+    msg2 = MsgWithRole("assistant")
+
+    fp = generate_request_fingerprint([msg1, msg2])
+    assert fp.startswith("fp_")
+    assert len(fp) == 11  # fp_ + 8 chars
+
+
+def test_get_last_user_message_preview_sanitizes_newlines_and_truncates():
+    msg1 = MagicMock()
+    msg1.role = "assistant"
+    msg1.content = "ignore"
+
+    msg2 = MagicMock()
+    msg2.role = "user"
+    msg2.content = "line1\r\nline2\nline3"
+
+    preview = get_last_user_message_preview([msg1, msg2], max_len=10)
+    assert "\n" not in preview
+    assert "\r" not in preview
+    assert preview.endswith("...")
+
+
+def test_get_tool_names_supports_objects_dicts_and_overflow():
+    tools = [{"name": "t0"}] + [MagicMock(name=f"t{i}") for i in range(1, 8)]
+    for i, t in enumerate(tools[1:], 1):
+        t.name = f"t{i}"
+    names = get_tool_names(tools, max_count=5)
+    assert names[:2] == ["t0", "t1"]
+    assert names[-1].startswith("+")
+
+
+def test_log_request_compact_logs_summary_and_full_payload():
+    logger = MagicMock()
+    request_data = MagicMock()
+    request_data.model = "m"
+    request_data.messages = []
+    request_data.tools = []
+    request_data.system = None
+    request_data.thinking = None
+    request_data.max_tokens = 1
+    request_data.model_dump.return_value = {"model": "m"}
+
+    log_request_compact(logger, "req_1", request_data)
+    assert logger.info.call_count == 1
+    assert logger.debug.call_count >= 1  # full payload
+
+
+def test_log_request_compact_handles_model_dump_failures():
+    logger = MagicMock()
+    request_data = MagicMock()
+    request_data.model = "m"
+    request_data.messages = []
+    request_data.tools = []
+    request_data.system = None
+    request_data.thinking = None
+    request_data.max_tokens = 1
+    request_data.model_dump.side_effect = RuntimeError("nope")
+
+    from providers import logging_utils as logging_utils_mod
+
+    module_logger = MagicMock()
+    old_logger = logging_utils_mod.logger
+    logging_utils_mod.logger = module_logger
+    try:
+        log_request_compact(logger, "req_1", request_data)
+    finally:
+        logging_utils_mod.logger = old_logger
+
+    # We should still log a compact summary even if payload dump fails.
+    assert logger.info.call_count == 1
+    assert module_logger.debug.call_count >= 1