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OpenOPC/opc/plugins/office_ui/chat_store.py
T
LZH-YS1998 4bc18dcd27 fix(ui): stabilize workplace chat scrolling
2026-07-13 23:02:39 +08:00

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"""Chat Store — channels, messages, and task progress persistence for the office-UI plugin.
This is the ONLY genuinely new persistence (OPC has no channel concept).
Channel/message format uses snake_case to match what collabSync.ts expects.
"""
from __future__ import annotations
import asyncio
import heapq
import json
import math
import re
import sqlite3
import struct
import time
import uuid
from dataclasses import dataclass
from typing import Any, Awaitable, Callable
import aiosqlite
from opc.core.transcript_visibility import rendered_transcript_visibility_sql
from opc.layer3_agent.adapters.codex_adapter import CodexAdapter
_LOCKED_ERROR_MARKERS = ("database is locked", "database table is locked")
_WRITE_RETRY_ATTEMPTS = 3
_WRITE_RETRY_BASE_DELAY_SECONDS = 0.25
def _is_locked_error(exc: BaseException) -> bool:
return isinstance(exc, sqlite3.OperationalError) and any(
marker in str(exc).lower() for marker in _LOCKED_ERROR_MARKERS
)
@dataclass(frozen=True)
class _MessageMatchState:
"""Prepared fields used by semantic message de-duplication.
Transcript rows can contain several kilobytes of Markdown. Preparing the
normalized content once prevents every candidate comparison from repeating
that work.
"""
channel_id: str
identity_keys: frozenset[str]
role_bucket: str
normalized_content: str
reply_to_id: str
is_result_surface: bool
has_engine_source: bool
timestamp: float
@classmethod
def from_message(
cls,
owner: Any,
message: dict[str, Any],
) -> _MessageMatchState:
return cls(
channel_id=str(message.get("channel_id", "") or ""),
identity_keys=frozenset(owner._message_identity_keys(message)),
role_bucket=owner._message_role_bucket(message),
normalized_content=owner._normalize_duplicate_content(message.get("content", "")),
reply_to_id=str(message.get("reply_to_id", "") or ""),
is_result_surface=owner._message_is_result_surface(message),
has_engine_source=owner._message_has_engine_source(message),
timestamp=owner._message_timestamp(message),
)
def matches(self, candidate: _MessageMatchState, *, duplicate_window: float) -> bool:
if self.channel_id != candidate.channel_id:
return False
if self.identity_keys & candidate.identity_keys:
return True
if self.role_bucket != candidate.role_bucket:
return False
if self.normalized_content != candidate.normalized_content:
return False
both_result_surfaces = self.is_result_surface and candidate.is_result_surface
if not both_result_surfaces and self.reply_to_id != candidate.reply_to_id:
return False
if not (self.has_engine_source or candidate.has_engine_source):
return False
if (
not both_result_surfaces
and self.timestamp
and candidate.timestamp
and abs(self.timestamp - candidate.timestamp) > duplicate_window
):
return False
return True
@dataclass
class _TimestampRangeNode:
"""Treap node augmented with the greatest timeline index below it."""
key: tuple[float, int]
priority: int
left: _TimestampRangeNode | None = None
right: _TimestampRangeNode | None = None
max_index: int = -1
def __post_init__(self) -> None:
self.max_index = self.key[1]
class _TimestampRangeTree:
"""Dynamic timestamp range -> latest timeline index map.
A deterministic treap avoids depending on insertion order while supporting
insert, delete, and inclusive range maximum in expected O(log n).
"""
_MASK_64 = (1 << 64) - 1
def __init__(self) -> None:
self._root: _TimestampRangeNode | None = None
@classmethod
def _priority(cls, index: int) -> int:
# SplitMix64 is a bijective mixer for the practical index range, giving
# deterministic pseudo-random treap priorities without global RNG state.
value = (index + 0x9E3779B97F4A7C15) & cls._MASK_64
value = ((value ^ (value >> 30)) * 0xBF58476D1CE4E5B9) & cls._MASK_64
value = ((value ^ (value >> 27)) * 0x94D049BB133111EB) & cls._MASK_64
return value ^ (value >> 31)
@staticmethod
def _refresh(node: _TimestampRangeNode | None) -> None:
if node is None:
return
node.max_index = max(
node.key[1],
node.left.max_index if node.left is not None else -1,
node.right.max_index if node.right is not None else -1,
)
@classmethod
def _split(
cls,
node: _TimestampRangeNode | None,
key: tuple[float, float | int],
) -> tuple[_TimestampRangeNode | None, _TimestampRangeNode | None]:
if node is None:
return None, None
if node.key < key:
node.right, right = cls._split(node.right, key)
cls._refresh(node)
return node, right
left, node.left = cls._split(node.left, key)
cls._refresh(node)
return left, node
@classmethod
def _merge(
cls,
left: _TimestampRangeNode | None,
right: _TimestampRangeNode | None,
) -> _TimestampRangeNode | None:
if left is None:
return right
if right is None:
return left
if left.priority > right.priority:
left.right = cls._merge(left.right, right)
cls._refresh(left)
return left
right.left = cls._merge(left, right.left)
cls._refresh(right)
return right
@classmethod
def _insert(
cls,
root: _TimestampRangeNode | None,
node: _TimestampRangeNode,
) -> _TimestampRangeNode:
if root is None:
return node
if node.key == root.key:
return root
if node.priority > root.priority:
node.left, node.right = cls._split(root, node.key)
cls._refresh(node)
return node
if node.key < root.key:
root.left = cls._insert(root.left, node)
else:
root.right = cls._insert(root.right, node)
cls._refresh(root)
return root
@classmethod
def _remove(
cls,
root: _TimestampRangeNode | None,
key: tuple[float, int],
) -> _TimestampRangeNode | None:
if root is None:
return None
if key == root.key:
return cls._merge(root.left, root.right)
if key < root.key:
root.left = cls._remove(root.left, key)
else:
root.right = cls._remove(root.right, key)
cls._refresh(root)
return root
def add(self, timestamp: float, index: int) -> None:
self._root = self._insert(
self._root,
_TimestampRangeNode(
key=(timestamp, index),
priority=self._priority(index),
),
)
def remove(self, timestamp: float, index: int) -> None:
self._root = self._remove(self._root, (timestamp, index))
def latest(self) -> int | None:
return self._root.max_index if self._root is not None else None
def latest_in_range(self, lower: float, upper: float) -> int | None:
left, middle_and_right = self._split(self._root, (lower, -1))
middle, right = self._split(middle_and_right, (upper, math.inf))
result = middle.max_index if middle is not None else None
self._root = self._merge(left, self._merge(middle, right))
return result
class _MessageMatchIndex:
"""Versioned indexes for finding the latest semantic duplicate.
The legacy implementation scanned every previously emitted row backwards.
Identity and result-surface matches use max-heaps. Ordinary matches use an
exact timestamp range tree, so backfilling old history cannot repeatedly
scan newer same-content rows outside the duplicate window. Replacing a
merged row bumps its heap version and moves its timestamp-tree entry.
"""
def __init__(
self,
owner: Any,
messages: list[dict[str, Any]],
) -> None:
self._owner = owner
self._messages = messages
self._versions: list[int] = [0 for _ in messages]
self._states = [
_MessageMatchState.from_message(owner, message)
for message in messages
]
self._identity_heaps: dict[tuple[str, str], list[tuple[int, int]]] = {}
self._timed_trees: dict[tuple[str, str, str, str], _TimestampRangeTree] = {}
self._timed_engine_trees: dict[tuple[str, str, str, str], _TimestampRangeTree] = {}
self._timed_unbounded_heaps: dict[tuple[str, str, str, str], list[tuple[int, int]]] = {}
self._timed_engine_unbounded_heaps: dict[tuple[str, str, str, str], list[tuple[int, int]]] = {}
self._result_heaps: dict[tuple[str, str, str], list[tuple[int, int]]] = {}
self._result_engine_heaps: dict[tuple[str, str, str], list[tuple[int, int]]] = {}
for index in range(len(messages)):
self._push(index)
@staticmethod
def _push_heap(
heaps: dict[Any, list[tuple[int, int]]],
key: Any,
index: int,
version: int,
) -> None:
heapq.heappush(heaps.setdefault(key, []), (-index, version))
@staticmethod
def _semantic_key(state: _MessageMatchState) -> tuple[str, str, str]:
return (state.channel_id, state.role_bucket, state.normalized_content)
@classmethod
def _timed_key(cls, state: _MessageMatchState) -> tuple[str, str, str, str]:
return (*cls._semantic_key(state), state.reply_to_id)
@staticmethod
def _timestamp_is_unbounded(timestamp: float) -> bool:
# The legacy predicate deliberately skipped its window check for zero;
# NaN also made ``abs(delta) > window`` false and must stay equivalent.
return timestamp == 0 or math.isnan(timestamp)
@staticmethod
def _float_to_ordered_int(value: float) -> int:
"""Map an IEEE-754 double to an integer with numeric sort order."""
bits = struct.unpack(">Q", struct.pack(">d", value))[0]
if bits & (1 << 63):
return (~bits) & ((1 << 64) - 1)
return bits | (1 << 63)
@staticmethod
def _ordered_int_to_float(value: int) -> float:
if value & (1 << 63):
bits = value & ((1 << 63) - 1)
else:
bits = (~value) & ((1 << 64) - 1)
return struct.unpack(">d", struct.pack(">Q", bits))[0]
@classmethod
def _finite_timestamp_match_bounds(
cls,
candidate_timestamp: float,
window: float,
) -> tuple[float, float]:
"""Exact finite-float bounds accepted by the legacy delta predicate.
Computing ``candidate +/- window`` is subtly insufficient around a
rounding boundary (for example ``2.0 - (-1e-300)`` rounds to exactly
``2.0``). Binary searching the ordered double domain preserves the
old IEEE-754 comparison exactly. The domain is fixed at 64 bits, so
this adds constant work before the tree's O(log n) range query.
"""
candidate_order = cls._float_to_ordered_int(candidate_timestamp)
lower_rejected = cls._float_to_ordered_int(-math.inf)
lower_accepted = candidate_order
while lower_rejected + 1 < lower_accepted:
middle = (lower_rejected + lower_accepted) // 2
value = cls._ordered_int_to_float(middle)
if abs(value - candidate_timestamp) <= window:
lower_accepted = middle
else:
lower_rejected = middle
upper_accepted = candidate_order
upper_rejected = cls._float_to_ordered_int(math.inf)
while upper_accepted + 1 < upper_rejected:
middle = (upper_accepted + upper_rejected) // 2
value = cls._ordered_int_to_float(middle)
if abs(value - candidate_timestamp) <= window:
upper_accepted = middle
else:
upper_rejected = middle
return (
cls._ordered_int_to_float(lower_accepted),
cls._ordered_int_to_float(upper_accepted),
)
@staticmethod
def _add_to_tree(
trees: dict[tuple[str, str, str, str], _TimestampRangeTree],
key: tuple[str, str, str, str],
timestamp: float,
index: int,
) -> None:
trees.setdefault(key, _TimestampRangeTree()).add(timestamp, index)
def _push(self, index: int) -> None:
state = self._states[index]
version = self._versions[index]
for identity_key in state.identity_keys:
self._push_heap(
self._identity_heaps,
(state.channel_id, identity_key),
index,
version,
)
semantic_key = self._semantic_key(state)
timed_key = self._timed_key(state)
if self._timestamp_is_unbounded(state.timestamp):
self._push_heap(
self._timed_unbounded_heaps,
timed_key,
index,
version,
)
if state.has_engine_source:
self._push_heap(
self._timed_engine_unbounded_heaps,
timed_key,
index,
version,
)
else:
self._add_to_tree(
self._timed_trees,
timed_key,
state.timestamp,
index,
)
if state.has_engine_source:
self._add_to_tree(
self._timed_engine_trees,
timed_key,
state.timestamp,
index,
)
if state.is_result_surface:
self._push_heap(self._result_heaps, semantic_key, index, version)
if state.has_engine_source:
self._push_heap(self._result_engine_heaps, semantic_key, index, version)
def prepare(self, message: dict[str, Any]) -> _MessageMatchState:
return _MessageMatchState.from_message(self._owner, message)
def append(
self,
message: dict[str, Any],
*,
prepared_state: _MessageMatchState | None = None,
) -> int:
index = len(self._messages)
self._messages.append(message)
self._versions.append(0)
self._states.append(prepared_state or self.prepare(message))
self._push(index)
return index
def replace(self, index: int, message: dict[str, Any]) -> None:
old_state = self._states[index]
if not self._timestamp_is_unbounded(old_state.timestamp):
timed_key = self._timed_key(old_state)
tree = self._timed_trees.get(timed_key)
if tree is not None:
tree.remove(old_state.timestamp, index)
if old_state.has_engine_source:
engine_tree = self._timed_engine_trees.get(timed_key)
if engine_tree is not None:
engine_tree.remove(old_state.timestamp, index)
self._messages[index] = message
self._versions[index] += 1
self._states[index] = _MessageMatchState.from_message(self._owner, message)
self._push(index)
def _latest_from_heap(
self,
heap: list[tuple[int, int]] | None,
candidate: _MessageMatchState,
excluded_message_ids: set[str],
) -> int | None:
if not heap:
return None
while heap:
negative_index, version = heap[0]
index = -negative_index
if version != self._versions[index]:
heapq.heappop(heap)
continue
message_id = str(self._messages[index].get("message_id", "") or "")
if message_id in excluded_message_ids:
heapq.heappop(heap)
continue
existing = self._states[index]
if existing.matches(
candidate,
duplicate_window=self._owner._DUPLICATE_WINDOW_SECONDS,
):
return index
# Identity/result/unbounded timed buckets are exact. A current
# non-match therefore cannot become valid for this bucket later.
heapq.heappop(heap)
return None
def _latest_from_time_tree(
self,
tree: _TimestampRangeTree | None,
candidate: _MessageMatchState,
excluded_message_ids: set[str],
) -> int | None:
if tree is None:
return None
while True:
if self._timestamp_is_unbounded(candidate.timestamp):
index = tree.latest()
else:
window = self._owner._DUPLICATE_WINDOW_SECONDS
if math.isfinite(candidate.timestamp):
lower, upper = self._finite_timestamp_match_bounds(
candidate.timestamp,
window,
)
else:
lower = upper = candidate.timestamp
index = tree.latest_in_range(lower, upper)
if index is None:
return None
existing = self._states[index]
message_id = str(self._messages[index].get("message_id", "") or "")
if message_id not in excluded_message_ids and existing.matches(
candidate,
duplicate_window=self._owner._DUPLICATE_WINDOW_SECONDS,
):
return index
# Consumed entries never become eligible again during this index's
# lifetime. Signature changes use ``replace`` and reinsert exactly.
tree.remove(existing.timestamp, index)
def latest_match(
self,
candidate_message: dict[str, Any],
*,
excluded_message_ids: set[str] | None = None,
prepared_state: _MessageMatchState | None = None,
) -> int | None:
candidate = prepared_state or self.prepare(candidate_message)
excluded = excluded_message_ids or set()
heaps: list[list[tuple[int, int]] | None] = []
for identity_key in candidate.identity_keys:
heaps.append(self._identity_heaps.get((candidate.channel_id, identity_key)))
semantic_key = self._semantic_key(candidate)
timed_key = self._timed_key(candidate)
if candidate.has_engine_source:
timed_tree = self._timed_trees.get(timed_key)
heaps.append(self._timed_unbounded_heaps.get(timed_key))
else:
timed_tree = self._timed_engine_trees.get(timed_key)
heaps.append(self._timed_engine_unbounded_heaps.get(timed_key))
if candidate.is_result_surface:
if candidate.has_engine_source:
heaps.append(self._result_heaps.get(semantic_key))
else:
heaps.append(self._result_engine_heaps.get(semantic_key))
matches: list[int] = [
index
for heap in heaps
if (index := self._latest_from_heap(heap, candidate, excluded)) is not None
]
timed_index = self._latest_from_time_tree(timed_tree, candidate, excluded)
if timed_index is not None:
matches.append(timed_index)
return max(matches) if matches else None
class ChatStore:
"""Chat channels + messages in ui_state.db.
Channel types (matching frontend ChatStore.ts):
"session" → id: "session:{task_id}", per-task conversation
"activity" → id: "activity", global activity feed
"secretary" → id: "secretary", policy/rules channel
"""
_DUPLICATE_WINDOW_SECONDS = 2.0
_RESULT_SURFACE_PRIORITY = {
"child_task_result": 80,
"child_task_result_retry": 79,
"company_role_result": 75,
"company_role_result_retry": 74,
"child_result": 70,
"runtime_v2_assistant": 60,
"runtime_v2_company_assistant": 20,
"top_level_reply": 40,
"worker_notification": 10,
}
def __init__(self, db: aiosqlite.Connection) -> None:
self._db = db
@staticmethod
def _normalize_message_content(content: Any) -> str:
return CodexAdapter.normalize_transcript_text(str(content or ""))
@classmethod
def _normalize_duplicate_content(cls, content: Any) -> str:
normalized = cls._normalize_message_content(content)
normalized = "\n".join(line.rstrip() for line in normalized.splitlines()).strip()
normalized = re.sub(r"\n{3,}", "\n\n", normalized)
normalized = cls._strip_narrative_title_prefix(normalized)
paragraphs = [part.strip() for part in re.split(r"\n{2,}", normalized) if part.strip()]
if len(paragraphs) > 1 and re.match(r"^Verification:\s", paragraphs[-1], flags=re.IGNORECASE):
normalized = "\n\n".join(paragraphs[:-1]).strip()
return normalized
@staticmethod
def _strip_narrative_title_prefix(content: str) -> str:
trimmed = str(content or "").strip()
markdown_title = re.match(r"^\*\*(.{8,160}?)\*\*:\s+([\s\S]+)$", trimmed)
if markdown_title:
body = markdown_title.group(2).strip()
if len(body) >= 80:
return body
colon_index = trimmed.find(": ")
if colon_index < 8 or colon_index > 160:
return trimmed
prefix = trimmed[:colon_index].replace("*", "").strip()
body = trimmed[colon_index + 2 :].strip()
if len(body) < 80:
return trimmed
if not re.search(r"[A-Za-z\u4e00-\u9fff]", prefix):
return trimmed
if re.match(r"^(https?|file)$", prefix, flags=re.IGNORECASE):
return trimmed
return body
@staticmethod
def _message_timestamp(message: dict[str, Any]) -> float:
value = message.get("created_at")
if value is None:
value = message.get("timestamp")
try:
return float(value or 0.0)
except (TypeError, ValueError):
return 0.0
@staticmethod
def _message_role_bucket(message: dict[str, Any]) -> str:
sender = str(message.get("sender", "") or "").strip().lower()
metadata = dict(message.get("metadata", {}) or {})
role = str(metadata.get("role", "") or "").strip().lower()
if sender == "user" or role == "user":
return "user"
return "assistant"
@classmethod
def _message_preference_score(cls, message: dict[str, Any]) -> int:
metadata = dict(message.get("metadata", {}) or {})
sender = str(message.get("sender", "") or "").strip().lower()
score = 0
result_priority = cls._message_result_surface_priority(message)
if result_priority:
score += 1000 + result_priority
if metadata.get("source") == "engine":
score += 100
if sender and sender != "system":
score += 20
if sender not in ("", "assistant", "system", "user"):
score += 5
if message.get("reply_to_id"):
score += 2
score += min(len(metadata), 10)
return score
@classmethod
def _message_has_engine_source(cls, message: dict[str, Any]) -> bool:
metadata = dict(message.get("metadata", {}) or {})
return str(metadata.get("source", "") or "").strip().lower() == "engine"
@classmethod
def _message_result_surface_priority(cls, message: dict[str, Any]) -> int:
metadata = dict(message.get("metadata", {}) or {})
transcript_kind = str(metadata.get("transcript_kind", "") or "").strip()
if transcript_kind:
return cls._RESULT_SURFACE_PRIORITY.get(transcript_kind, 0)
kind = str(metadata.get("kind", "") or "").strip()
if kind == "worker_notification":
return cls._RESULT_SURFACE_PRIORITY["worker_notification"]
return cls._RESULT_SURFACE_PRIORITY.get(kind, 0)
@classmethod
def _message_is_result_surface(cls, message: dict[str, Any]) -> bool:
return cls._message_result_surface_priority(message) > 0
@classmethod
def _message_identity_keys(cls, message: dict[str, Any]) -> set[str]:
metadata = dict(message.get("metadata", {}) or {})
keys: set[str] = set()
for value in (
message.get("message_id"),
message.get("id"),
metadata.get("ui_message_id"),
):
normalized = str(value or "").strip()
if normalized:
keys.add(normalized)
return keys
@classmethod
def _messages_semantically_match(
cls,
existing: dict[str, Any],
candidate: dict[str, Any],
) -> bool:
return _MessageMatchState.from_message(cls, existing).matches(
_MessageMatchState.from_message(cls, candidate),
duplicate_window=cls._DUPLICATE_WINDOW_SECONDS,
)
@classmethod
def _merge_duplicate_messages(
cls,
existing: dict[str, Any],
candidate: dict[str, Any],
) -> dict[str, Any]:
preferred = existing
secondary = candidate
if cls._message_preference_score(candidate) > cls._message_preference_score(existing):
preferred = candidate
secondary = existing
merged = dict(secondary)
merged.update(preferred)
secondary_meta = dict(secondary.get("metadata", {}) or {})
preferred_meta = dict(preferred.get("metadata", {}) or {})
merged["metadata"] = {**secondary_meta, **preferred_meta}
normalized_content = cls._normalize_duplicate_content(preferred.get("content", ""))
if (
normalized_content
and normalized_content == cls._normalize_duplicate_content(secondary.get("content", ""))
):
merged["content"] = normalized_content
shared_ids = cls._message_identity_keys(existing) & cls._message_identity_keys(candidate)
canonical_id = ""
if shared_ids:
for value in (
existing.get("message_id"),
existing.get("id"),
candidate.get("message_id"),
candidate.get("id"),
preferred_meta.get("ui_message_id"),
secondary_meta.get("ui_message_id"),
):
normalized = str(value or "").strip()
if normalized and normalized in shared_ids:
canonical_id = normalized
break
if canonical_id:
merged["message_id"] = canonical_id
mentions: list[str] = []
for values in (secondary.get("mentions", []), preferred.get("mentions", [])):
for value in values or []:
if value not in mentions:
mentions.append(value)
merged["mentions"] = mentions
merged_ts = cls._message_timestamp(preferred) or cls._message_timestamp(secondary)
if merged_ts:
merged["created_at"] = merged_ts
if "timestamp" in preferred or "timestamp" in secondary:
merged["timestamp"] = merged_ts
return merged
@classmethod
def _message_persisted_equal(
cls,
existing: dict[str, Any],
candidate: dict[str, Any],
) -> bool:
return (
str(existing.get("sender", "") or "") == str(candidate.get("sender", "") or "")
and str(existing.get("sender_name", "") or "") == str(candidate.get("sender_name", "") or "")
and cls._normalize_duplicate_content(existing.get("content", "")) == cls._normalize_duplicate_content(candidate.get("content", ""))
and cls._message_timestamp(existing) == cls._message_timestamp(candidate)
and str(existing.get("reply_to_id", "") or "") == str(candidate.get("reply_to_id", "") or "")
and list(existing.get("mentions", []) or []) == list(candidate.get("mentions", []) or [])
and dict(existing.get("metadata", {}) or {}) == dict(candidate.get("metadata", {}) or {})
)
def _dedupe_messages(self, messages: list[dict[str, Any]]) -> list[dict[str, Any]]:
deduped: list[dict[str, Any]] = []
match_index = _MessageMatchIndex(
self,
deduped,
)
for message in sorted(messages, key=self._message_timestamp):
prepared_state = match_index.prepare(message)
duplicate_index = match_index.latest_match(
message,
prepared_state=prepared_state,
)
if duplicate_index is None:
match_index.append(message, prepared_state=prepared_state)
continue
match_index.replace(
duplicate_index,
self._merge_duplicate_messages(deduped[duplicate_index], message),
)
return deduped
async def _message_scope(self, message_id: str) -> tuple[str, str] | None:
cursor = await self._db.execute(
"SELECT channel_id, project_id FROM messages WHERE message_id = ?",
(message_id,),
)
row = await cursor.fetchone()
if not row:
return None
return str(row[0] or ""), str(row[1] or "default")
async def message_scope(self, message_id: str) -> tuple[str, str] | None:
"""(channel_id, project_id) of a persisted message, or None if absent.
Used for idempotent client sends: a re-delivered ``session_send`` carries
the same client-generated ``ui_message_id``, so an existing row in the
same scope identifies the duplicate.
"""
if not str(message_id or "").strip():
return None
return await self._message_scope(str(message_id).strip())
async def _merge_into_same_scope_row(
self,
message_id: str,
*,
channel_id: str,
project_id: str,
candidate: dict[str, Any],
) -> dict[str, Any] | None:
"""Merge ``candidate`` into an already-persisted row with the same id/scope.
Returns the merged row when the update happened (or nothing changed), or
None when the row could not be loaded. Backfill and the live insert path
can race on the same message id; the duplicate must merge in place, never
be re-inserted under a scoped alias id in the same channel.
"""
cursor = await self._db.execute(
"SELECT message_id, channel_id, sender, sender_name, content, "
"timestamp, reply_to_id, mentions, metadata "
"FROM messages WHERE message_id = ? AND channel_id = ? AND project_id = ?",
(message_id, channel_id, project_id),
)
row = await cursor.fetchone()
if row is None:
return None
existing = self._row_to_message_dict(row)
merged = self._merge_duplicate_messages(existing, candidate)
if self._message_persisted_equal(existing, merged):
return merged
merged_timestamp = self._message_timestamp(merged) or time.time()
await self._db.execute(
"UPDATE messages SET sender = ?, sender_name = ?, content = ?, timestamp = ?, "
"reply_to_id = ?, mentions = ?, metadata = ? WHERE message_id = ? AND channel_id = ? AND project_id = ?",
(
merged["sender"],
merged["sender_name"],
merged["content"],
merged_timestamp,
merged.get("reply_to_id"),
json.dumps(merged.get("mentions", [])),
json.dumps(merged.get("metadata", {})),
message_id,
channel_id,
project_id,
),
)
merged["timestamp"] = merged_timestamp
merged["created_at"] = merged_timestamp
return merged
async def _allocate_scoped_message_id(
self,
message_id: str,
*,
channel_id: str,
project_id: str,
) -> str:
base = f"{message_id}::{project_id}::{channel_id}"
candidate = base
suffix = 1
while await self._message_scope(candidate):
suffix += 1
candidate = f"{base}::{suffix}"
return candidate
def _row_to_message_dict(self, row: Any) -> dict[str, Any]:
metadata = json.loads(row[8]) if row[8] else {}
sender_name = str(row[3] or "")
transcript_kind = str(metadata.get("transcript_kind", "") or metadata.get("kind", "") or "").strip()
if (
sender_name.strip().lower().replace(" ", "_") == "task_generalist"
and transcript_kind in {
"",
"runtime_v2_assistant",
"runtime_v2_company_assistant",
"runtime_v2_intermediate_assistant",
"top_level_reply",
}
):
sender_name = "OPC"
return {
"message_id": row[0],
"channel_id": row[1],
"sender": row[2],
"sender_name": sender_name,
"content": self._normalize_message_content(row[4]),
"created_at": row[5],
"reply_to_id": row[6],
"mentions": json.loads(row[7]) if row[7] else [],
"metadata": metadata,
}
async def _retry_locked(self, operation: Callable[[], Awaitable[Any]]) -> Any:
"""Run a write operation, retrying briefly on transient sqlite lock errors.
Another process sharing ui_state.db (a second server, the CLI) can hold
the write lock past busy_timeout; a short backoff usually clears it.
"""
last_error: BaseException | None = None
for attempt in range(_WRITE_RETRY_ATTEMPTS):
try:
return await operation()
except sqlite3.OperationalError as exc:
if not _is_locked_error(exc):
raise
last_error = exc
try:
await self._db.rollback()
except Exception:
pass
await asyncio.sleep(_WRITE_RETRY_BASE_DELAY_SECONDS * (2 ** attempt))
assert last_error is not None
raise last_error
async def initialize(self) -> None:
"""Create tables if not exist."""
await self._db.execute("""
CREATE TABLE IF NOT EXISTS channels (
channel_id TEXT PRIMARY KEY,
type TEXT NOT NULL,
name TEXT NOT NULL,
office_id TEXT,
participants TEXT DEFAULT '[]',
created_at REAL NOT NULL
)
""")
await self._db.execute("""
CREATE TABLE IF NOT EXISTS messages (
message_id TEXT PRIMARY KEY,
channel_id TEXT NOT NULL,
sender TEXT NOT NULL,
sender_name TEXT NOT NULL,
content TEXT NOT NULL,
timestamp REAL NOT NULL,
reply_to_id TEXT,
mentions TEXT DEFAULT '[]',
metadata TEXT DEFAULT '{}'
)
""")
await self._db.execute("""
CREATE TABLE IF NOT EXISTS task_progress (
task_id TEXT PRIMARY KEY,
entries TEXT DEFAULT '[]',
updated_at REAL NOT NULL
)
""")
await self._db.commit()
# Migration: add project_id column if missing
for tbl in ("channels", "messages", "task_progress"):
try:
await self._db.execute(
f"ALTER TABLE {tbl} ADD COLUMN project_id TEXT DEFAULT 'default'"
)
except Exception:
pass # column already exists
await self._db.execute(
"CREATE INDEX IF NOT EXISTS idx_channels_project ON channels(project_id)"
)
await self._db.execute(
"CREATE INDEX IF NOT EXISTS idx_messages_project ON messages(project_id)"
)
await self._ensure_project_scoped_primary_keys()
await self._db.execute(
"CREATE INDEX IF NOT EXISTS idx_channels_project ON channels(project_id)"
)
await self._db.execute(
"CREATE INDEX IF NOT EXISTS idx_messages_project ON messages(project_id)"
)
await self._db.execute(
"CREATE INDEX IF NOT EXISTS idx_channels_project_type_created "
"ON channels(project_id, type, created_at DESC)"
)
await self._db.execute(
"CREATE INDEX IF NOT EXISTS idx_messages_project_timestamp "
"ON messages(project_id, timestamp DESC)"
)
await self._db.execute(
"CREATE INDEX IF NOT EXISTS idx_messages_project_channel_timestamp "
"ON messages(project_id, channel_id, timestamp DESC)"
)
await self._db.commit()
async def _ensure_project_scoped_primary_keys(self) -> None:
"""Migrate legacy single-column UI state keys to project-scoped keys."""
async def _pk_columns(table: str) -> list[str]:
cursor = await self._db.execute(f"PRAGMA table_info({table})")
rows = await cursor.fetchall()
pk_rows = sorted(
((int(row[5] or 0), str(row[1] or "")) for row in rows if int(row[5] or 0) > 0),
key=lambda item: item[0],
)
return [name for _, name in pk_rows]
async def _migrate(table: str, create_sql: str, columns: list[str], expected_pk: list[str]) -> None:
if await _pk_columns(table) == expected_pk:
return
staging = f"{table}__project_scope"
await self._db.execute(f"DROP TABLE IF EXISTS {staging}")
await self._db.execute(create_sql.format(table=staging))
column_list = ", ".join(columns)
await self._db.execute(
f"INSERT OR IGNORE INTO {staging} ({column_list}) "
f"SELECT {column_list} FROM {table}"
)
await self._db.execute(f"DROP TABLE {table}")
await self._db.execute(f"ALTER TABLE {staging} RENAME TO {table}")
await _migrate(
"channels",
"""
CREATE TABLE {table} (
channel_id TEXT NOT NULL,
type TEXT NOT NULL,
name TEXT NOT NULL,
office_id TEXT,
participants TEXT DEFAULT '[]',
created_at REAL NOT NULL,
project_id TEXT DEFAULT 'default',
PRIMARY KEY (channel_id, project_id)
)
""",
["channel_id", "type", "name", "office_id", "participants", "created_at", "project_id"],
["channel_id", "project_id"],
)
await _migrate(
"task_progress",
"""
CREATE TABLE {table} (
task_id TEXT NOT NULL,
entries TEXT DEFAULT '[]',
updated_at REAL NOT NULL,
project_id TEXT DEFAULT 'default',
PRIMARY KEY (task_id, project_id)
)
""",
["task_id", "entries", "updated_at", "project_id"],
["task_id", "project_id"],
)
async def _ensure_channel(
self,
channel_id: str,
channel_type: str,
name: str,
participants: list[str],
office_id: str | None = None,
project_id: str = "default",
) -> None:
"""Create channel if it doesn't exist."""
cursor = await self._db.execute(
"SELECT channel_id FROM channels WHERE channel_id = ? AND project_id = ?",
(channel_id, project_id),
)
if await cursor.fetchone():
# Update participants if channel exists
await self._db.execute(
"UPDATE channels SET participants = ? WHERE channel_id = ? AND project_id = ?",
(json.dumps(participants), channel_id, project_id),
)
else:
await self._db.execute(
"INSERT INTO channels (channel_id, type, name, office_id, participants, created_at, project_id) "
"VALUES (?, ?, ?, ?, ?, ?, ?)",
(channel_id, channel_type, name, office_id, json.dumps(participants), time.time(), project_id),
)
await self._db.commit()
async def create_channel(
self,
channel_type: str,
name: str,
participants: list[str] | None = None,
office_id: str | None = None,
channel_id: str | None = None,
project_id: str = "default",
) -> dict[str, Any]:
"""Create a new chat channel. Returns channel dict in backend format."""
cid = channel_id or str(uuid.uuid4())
now = time.time()
parts = participants or []
cursor = await self._db.execute(
"SELECT type, name, office_id, participants, created_at FROM channels "
"WHERE channel_id = ? AND project_id = ?",
(cid, project_id),
)
existing = await cursor.fetchone()
created_at = float(existing[4]) if existing and existing[4] is not None else now
channel = {
"channel_id": cid,
"type": channel_type,
"name": name,
"office_id": office_id,
"participants": parts,
"created_at": created_at,
"project_id": project_id,
}
if existing is not None:
# Callers (e.g. session_detail polling) invoke this on every
# request; skip the write when nothing changed so a read-only
# view does not generate a constant write load on ui_state.db.
try:
existing_parts = json.loads(existing[3]) if existing[3] else []
except (json.JSONDecodeError, TypeError):
existing_parts = None
unchanged = (
str(existing[0] or "") == channel_type
and str(existing[1] or "") == name
and (existing[2] or None) == (office_id or None)
and existing_parts == parts
)
if unchanged:
return channel
async def _write() -> None:
await self._db.execute(
"INSERT OR REPLACE INTO channels (channel_id, type, name, office_id, participants, created_at, project_id) "
"VALUES (?, ?, ?, ?, ?, ?, ?)",
(cid, channel_type, name, office_id, json.dumps(parts), created_at, project_id),
)
await self._db.commit()
await self._retry_locked(_write)
return channel
async def insert_message(
self,
channel_id: str,
sender: str,
sender_name: str,
content: str,
reply_to_id: str | None = None,
mentions: list[str] | None = None,
metadata: dict[str, Any] | None = None,
message_id: str | None = None,
project_id: str = "default",
created_at: float | None = None,
) -> dict[str, Any]:
"""Insert a message. Returns message dict in backend format (snake_case)."""
mid = message_id or str(uuid.uuid4())
now = float(created_at) if created_at is not None else time.time()
async def _write() -> None:
await self._db.execute(
"INSERT OR REPLACE INTO messages "
"(message_id, channel_id, sender, sender_name, content, timestamp, "
"reply_to_id, mentions, metadata, project_id) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)",
(
mid, channel_id, sender, sender_name, content, now,
reply_to_id,
json.dumps(mentions or []),
json.dumps(metadata or {}),
project_id,
),
)
await self._db.commit()
await self._retry_locked(_write)
return {
"message_id": mid,
"channel_id": channel_id,
"sender": sender,
"sender_name": sender_name,
"content": content,
"created_at": now,
"reply_to_id": reply_to_id,
"mentions": mentions or [],
"metadata": metadata or {},
"project_id": project_id,
}
async def get_channels(self, project_id: str = "default") -> list[dict[str, Any]]:
"""Return channels for a project in backend format (snake_case)."""
cursor = await self._db.execute(
"SELECT channel_id, type, name, office_id, participants, created_at "
"FROM channels WHERE project_id = ? ORDER BY created_at",
(project_id,),
)
rows = await cursor.fetchall()
return [
{
"channel_id": r[0],
"type": r[1],
"name": r[2],
"office_id": r[3],
"participants": json.loads(r[4]) if r[4] else [],
"created_at": r[5],
}
for r in rows
]
async def get_messages(self, project_id: str = "default", limit: int = 500) -> list[dict[str, Any]]:
"""Return recent messages for a project in backend format (snake_case)."""
fetch_limit = max(limit * 4, limit, 1)
cursor = await self._db.execute(
"SELECT message_id, channel_id, sender, sender_name, content, "
"timestamp, reply_to_id, mentions, metadata "
"FROM messages WHERE project_id = ? ORDER BY timestamp DESC LIMIT ?",
(project_id, fetch_limit),
)
rows = await cursor.fetchall()
messages = [self._row_to_message_dict(row) for row in rows]
# Return in chronological order
messages.reverse()
messages = self._dedupe_messages(messages)
if len(messages) > limit:
messages = messages[-limit:]
return messages
async def prune_stale_channels(self, valid_agent_ids: set[str], project_id: str = "default") -> int:
"""Remove DM and office channels that reference only stale agents.
Returns the number of channels deleted.
"""
channels = await self.get_channels(project_id)
pruned = 0
for ch in channels:
if ch["type"] in ("global", "activity", "session", "secretary"):
continue # Never prune global, activity, session, or secretary channels
participants = ch.get("participants", [])
agent_participants = [p for p in participants if p != "user"]
if not agent_participants:
continue
# If none of the agent participants exist in valid set, prune
if not any(aid in valid_agent_ids for aid in agent_participants):
await self._db.execute(
"DELETE FROM messages WHERE channel_id = ? AND project_id = ?",
(ch["channel_id"], project_id),
)
await self._db.execute(
"DELETE FROM channels WHERE channel_id = ? AND project_id = ?",
(ch["channel_id"], project_id),
)
pruned += 1
if pruned:
await self._db.commit()
return pruned
# ── Session channel methods ──────────────────────────────────────────
async def create_session_channel(
self,
task_id: str,
title: str,
participants: list[str] | None = None,
project_id: str = "default",
) -> dict[str, Any]:
"""Create a session channel tied to a task. Channel id = session:{task_id}."""
channel_id = f"session:{task_id}"
parts = participants or ["user"]
return await self.create_channel(
channel_type="session",
name=title,
participants=parts,
channel_id=channel_id,
project_id=project_id,
)
async def ensure_activity_channel(self, project_id: str = "default") -> None:
"""Ensure the activity monitoring channel exists for this project and clean up legacy channels."""
await self._ensure_channel(
channel_id=f"activity:{project_id}",
channel_type="activity",
name="Activity",
participants=["user"],
project_id=project_id,
)
# Remove legacy channel types (global, office, dm, cross-office) — only for this project
await self._db.execute(
"DELETE FROM channels WHERE project_id = ? AND type NOT IN ('session', 'activity', 'secretary')",
(project_id,),
)
await self._db.commit()
async def update_channel_name(self, channel_id: str, name: str, project_id: str = "default") -> None:
"""Update a channel's display name (e.g. auto-title from first message)."""
await self._db.execute(
"UPDATE channels SET name = ? WHERE channel_id = ? AND project_id = ?",
(name, channel_id, project_id),
)
await self._db.commit()
async def get_session_channels(self, project_id: str = "default") -> list[dict[str, Any]]:
"""Return session channels ordered by last activity (most recent first)."""
cursor = await self._db.execute(
"SELECT channel_id, type, name, office_id, participants, created_at "
"FROM channels WHERE type = 'session' AND project_id = ? ORDER BY created_at DESC",
(project_id,),
)
rows = await cursor.fetchall()
return [
{
"channel_id": r[0],
"type": r[1],
"name": r[2],
"office_id": r[3],
"participants": json.loads(r[4]) if r[4] else [],
"created_at": r[5],
}
for r in rows
]
async def get_channel_message_count(self, channel_id: str, project_id: str = "default") -> int:
"""Return message count for a channel."""
cursor = await self._db.execute(
"SELECT COUNT(*) FROM messages WHERE channel_id = ? AND project_id = ?",
(channel_id, project_id),
)
row = await cursor.fetchone()
return row[0] if row else 0
async def get_channel_latest_timestamp(self, channel_id: str, project_id: str = "default") -> float | None:
"""Return the latest message timestamp for a channel (epoch seconds)."""
cursor = await self._db.execute(
"SELECT MAX(timestamp) FROM messages WHERE channel_id = ? AND project_id = ?",
(channel_id, project_id),
)
row = await cursor.fetchone()
return row[0] if row and row[0] else None
async def get_channel_stats(
self,
channel_ids: list[str],
*,
project_id: str | None = None,
) -> dict[str, dict[str, float | int | None]]:
"""Return message_count/latest_timestamp for many channels in one query."""
normalized_ids = [str(channel_id or "").strip() for channel_id in channel_ids if str(channel_id or "").strip()]
if not normalized_ids:
return {}
placeholders = ",".join("?" for _ in normalized_ids)
params: list[Any] = list(normalized_ids)
query = (
"SELECT channel_id, COUNT(*), MAX(timestamp) "
f"FROM messages WHERE channel_id IN ({placeholders})"
)
if project_id is not None:
query += " AND project_id = ?"
params.append(project_id)
query += " GROUP BY channel_id"
stats: dict[str, dict[str, float | int | None]] = {
channel_id: {"message_count": 0, "latest_timestamp": None}
for channel_id in normalized_ids
}
cursor = await self._db.execute(query, tuple(params))
rows = await cursor.fetchall()
for channel_id, message_count, latest_timestamp in rows:
stats[str(channel_id)] = {
"message_count": int(message_count or 0),
"latest_timestamp": float(latest_timestamp) if latest_timestamp else None,
}
return stats
async def get_channel_index_stats(
self,
channel_ids: list[str],
*,
project_id: str = "default",
preview_chars: int = 180,
) -> dict[str, dict[str, Any]]:
"""Return count/latest timestamp/preview for many channels.
This is intentionally smaller than ``get_messages(project_id)``: the
project index only needs a row preview, not the whole project message
cache.
"""
normalized_ids = [
str(channel_id or "").strip()
for channel_id in channel_ids
if str(channel_id or "").strip()
]
if not normalized_ids:
return {}
placeholders = ",".join("?" for _ in normalized_ids)
stats: dict[str, dict[str, Any]] = {
channel_id: {
"message_count": 0,
"latest_timestamp": None,
"latest_preview": "",
"latest_sender": "",
"latest_message_id": "",
}
for channel_id in normalized_ids
}
count_cursor = await self._db.execute(
"SELECT channel_id, COUNT(*), MAX(timestamp) "
f"FROM messages WHERE project_id = ? AND channel_id IN ({placeholders}) "
"GROUP BY channel_id",
tuple([project_id, *normalized_ids]),
)
for channel_id, message_count, latest_timestamp in await count_cursor.fetchall():
bucket = stats.get(str(channel_id))
if bucket is None:
continue
bucket["message_count"] = int(message_count or 0)
bucket["latest_timestamp"] = float(latest_timestamp) if latest_timestamp else None
latest_cursor = await self._db.execute(
"SELECT channel_id, message_id, sender, sender_name, content, timestamp FROM ("
" SELECT channel_id, message_id, sender, sender_name, content, timestamp, "
" ROW_NUMBER() OVER (PARTITION BY channel_id ORDER BY timestamp DESC, message_id DESC) AS rn "
f" FROM messages WHERE project_id = ? AND channel_id IN ({placeholders})"
") WHERE rn = 1",
tuple([project_id, *normalized_ids]),
)
max_preview = max(0, int(preview_chars or 0))
for channel_id, message_id, sender, sender_name, content, timestamp in await latest_cursor.fetchall():
bucket = stats.get(str(channel_id))
if bucket is None:
continue
preview = " ".join(str(content or "").split())
if max_preview and len(preview) > max_preview:
preview = (
preview[:max_preview]
if max_preview < 4
else preview[: max_preview - 3].rstrip() + "..."
)
bucket.update({
"latest_timestamp": float(timestamp) if timestamp else bucket.get("latest_timestamp"),
"latest_preview": preview,
"latest_sender": str(sender_name or sender or ""),
"latest_message_id": str(message_id or ""),
})
return stats
async def ensure_secretary_channel(self, project_id: str = "default") -> dict[str, Any]:
"""Ensure the secretary channel exists for this project. Returns channel dict."""
channel_id = f"secretary:{project_id}"
cursor = await self._db.execute(
"SELECT channel_id FROM channels WHERE channel_id = ? AND project_id = ?",
(channel_id, project_id),
)
if await cursor.fetchone():
return {
"channel_id": channel_id,
"type": "secretary",
"name": "Secretary",
"office_id": None,
"participants": ["user"],
"created_at": 0,
}
return await self.create_channel(
channel_type="secretary",
name="Secretary",
participants=["user"],
channel_id=channel_id,
project_id=project_id,
)
async def delete_channel(self, channel_id: str, project_id: str = "default") -> None:
"""Delete a single channel and all its messages."""
await self._db.execute(
"DELETE FROM messages WHERE channel_id = ? AND project_id = ?",
(channel_id, project_id),
)
await self._db.execute(
"DELETE FROM channels WHERE channel_id = ? AND project_id = ?",
(channel_id, project_id),
)
await self._db.commit()
async def delete_activity_messages_for_task(self, project_id: str, task_id: str) -> int:
"""Delete messages from the activity channel that belong to a specific task."""
channel_id = f"activity:{project_id}"
cursor = await self._db.execute(
"DELETE FROM messages WHERE channel_id = ? AND project_id = ? AND json_extract(metadata, '$.task_id') = ?",
(channel_id, project_id, task_id),
)
await self._db.commit()
return cursor.rowcount
async def delete_project_data(self, project_id: str) -> int:
"""Delete ALL channels, messages, and progress for a project. Returns count of deleted channels."""
cursor = await self._db.execute(
"SELECT COUNT(*) FROM channels WHERE project_id = ?", (project_id,)
)
row = await cursor.fetchone()
count = row[0] if row else 0
await self._db.execute(
"DELETE FROM messages WHERE project_id = ?", (project_id,)
)
await self._db.execute(
"DELETE FROM channels WHERE project_id = ?", (project_id,)
)
await self._db.execute(
"DELETE FROM task_progress WHERE project_id = ?", (project_id,)
)
await self._db.commit()
return count
async def project_data_exists(self, project_id: str) -> bool:
"""Return whether UI chat/progress rows exist for a project."""
for table in ("channels", "messages", "task_progress"):
cursor = await self._db.execute(
f"SELECT 1 FROM {table} WHERE project_id = ? LIMIT 1",
(project_id,),
)
if await cursor.fetchone():
return True
return False
async def rename_project_data(self, old_project_id: str, new_project_id: str) -> dict[str, int]:
"""Move UI chat/progress rows from one project id to another."""
old_project_id = str(old_project_id or "").strip() or "default"
new_project_id = str(new_project_id or "").strip() or "default"
counts: dict[str, int] = {}
if old_project_id == new_project_id:
return counts
if await self.project_data_exists(new_project_id):
raise ValueError(f"Project UI data already exists for {new_project_id!r}")
for prefix in ("activity", "secretary"):
old_channel = f"{prefix}:{old_project_id}"
new_channel = f"{prefix}:{new_project_id}"
cursor = await self._db.execute(
"UPDATE messages SET channel_id = ? WHERE project_id = ? AND channel_id = ?",
(new_channel, old_project_id, old_channel),
)
counts[f"messages_channel_{prefix}"] = cursor.rowcount
cursor = await self._db.execute(
"UPDATE channels SET channel_id = ? WHERE project_id = ? AND channel_id = ?",
(new_channel, old_project_id, old_channel),
)
counts[f"channels_channel_{prefix}"] = cursor.rowcount
for table in ("messages", "channels", "task_progress"):
cursor = await self._db.execute(
f"UPDATE {table} SET project_id = ? WHERE project_id = ?",
(new_project_id, old_project_id),
)
counts[table] = cursor.rowcount
await self._db.commit()
return counts
async def backfill_messages(
self,
channel_id: str,
messages: list[dict[str, Any]],
project_id: str = "default",
) -> list[dict[str, Any]]:
"""Idempotent batch insert/update for transcript messages.
Used by the reconciliation layer to backfill CLI session history into the
UI rendering cache. Returns messages inserted or materially updated.
"""
if not messages:
return []
cursor = await self._db.execute(
"SELECT message_id, channel_id, sender, sender_name, content, "
"timestamp, reply_to_id, mentions, metadata "
"FROM messages WHERE channel_id = ? AND project_id = ? ORDER BY timestamp ASC",
(channel_id, project_id),
)
existing_rows = await cursor.fetchall()
existing_messages = [self._row_to_message_dict(row) for row in existing_rows]
existing_ids = {message["message_id"] for message in existing_messages}
existing_positions = {
message["message_id"]: index
for index, message in enumerate(existing_messages)
}
semantic_index = _MessageMatchIndex(
self,
existing_messages,
)
consumed_existing_ids: set[str] = set()
inserted_messages: list[dict[str, Any]] = []
changed_existing = False
for raw_message in sorted(messages, key=self._message_timestamp):
normalized_message = {
"message_id": str(raw_message.get("message_id", "") or str(uuid.uuid4())),
"channel_id": channel_id,
"sender": raw_message.get("sender", "system"),
"sender_name": raw_message.get("sender_name", ""),
"content": self._normalize_message_content(raw_message.get("content", "")),
"timestamp": self._message_timestamp(raw_message) or time.time(),
"reply_to_id": raw_message.get("reply_to_id"),
"mentions": list(raw_message.get("mentions", [])),
"metadata": dict(raw_message.get("metadata", {}) or {}),
}
mid = normalized_message["message_id"]
if mid in existing_ids:
existing_index = existing_positions.get(mid)
if existing_index is not None:
existing_match = existing_messages[existing_index]
merged_existing = self._merge_duplicate_messages(existing_match, normalized_message)
if not self._message_persisted_equal(existing_match, merged_existing):
merged_timestamp = self._message_timestamp(merged_existing) or time.time()
await self._db.execute(
"UPDATE messages SET sender = ?, sender_name = ?, content = ?, timestamp = ?, "
"reply_to_id = ?, mentions = ?, metadata = ? WHERE message_id = ? AND channel_id = ? AND project_id = ?",
(
merged_existing["sender"],
merged_existing["sender_name"],
merged_existing["content"],
merged_timestamp,
merged_existing.get("reply_to_id"),
json.dumps(merged_existing.get("mentions", [])),
json.dumps(merged_existing.get("metadata", {})),
mid,
channel_id,
project_id,
),
)
semantic_index.replace(existing_index, {
**merged_existing,
"created_at": merged_timestamp,
})
inserted_messages.append({
**merged_existing,
"channel_id": channel_id,
"timestamp": merged_timestamp,
"created_at": merged_timestamp,
})
changed_existing = True
continue
existing_scope = await self._message_scope(mid)
if existing_scope == (channel_id, project_id):
# The row appeared after our initial snapshot (a live insert
# raced this backfill). Merge in place — never re-insert the
# same message under a scoped alias id in its own channel.
merged = await self._merge_into_same_scope_row(
mid,
channel_id=channel_id,
project_id=project_id,
candidate=normalized_message,
)
if merged is not None:
existing_ids.add(mid)
existing_positions[mid] = semantic_index.append(merged)
continue
if existing_scope and existing_scope != (channel_id, project_id):
metadata = dict(normalized_message.get("metadata", {}) or {})
metadata.setdefault("ui_message_id", mid)
normalized_message["metadata"] = metadata
mid = await self._allocate_scoped_message_id(
mid,
channel_id=channel_id,
project_id=project_id,
)
normalized_message["message_id"] = mid
duplicate_index = semantic_index.latest_match(
normalized_message,
excluded_message_ids=consumed_existing_ids,
)
if duplicate_index is not None:
consumed_existing_ids.add(
existing_messages[duplicate_index]["message_id"]
)
continue
try:
await self._db.execute(
"INSERT INTO messages "
"(message_id, channel_id, sender, sender_name, content, timestamp, "
"reply_to_id, mentions, metadata, project_id) "
"VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)",
(
mid,
channel_id,
normalized_message["sender"],
normalized_message["sender_name"],
normalized_message["content"],
normalized_message["timestamp"],
normalized_message["reply_to_id"],
json.dumps(normalized_message["mentions"]),
json.dumps(normalized_message["metadata"]),
project_id,
),
)
except sqlite3.IntegrityError:
merged = await self._merge_into_same_scope_row(
normalized_message["message_id"],
channel_id=channel_id,
project_id=project_id,
candidate=normalized_message,
)
if merged is not None:
merged_id = normalized_message["message_id"]
existing_ids.add(merged_id)
existing_positions[merged_id] = semantic_index.append(merged)
continue
metadata = dict(normalized_message.get("metadata", {}) or {})
metadata.setdefault("ui_message_id", normalized_message["message_id"])
normalized_message["metadata"] = metadata
mid = await self._allocate_scoped_message_id(
normalized_message["message_id"],
channel_id=channel_id,
project_id=project_id,
)
normalized_message["message_id"] = mid
await self._db.execute(
"INSERT INTO messages "
"(message_id, channel_id, sender, sender_name, content, timestamp, "
"reply_to_id, mentions, metadata, project_id) "
"VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)",
(
mid,
channel_id,
normalized_message["sender"],
normalized_message["sender_name"],
normalized_message["content"],
normalized_message["timestamp"],
normalized_message["reply_to_id"],
json.dumps(normalized_message["mentions"]),
json.dumps(normalized_message["metadata"]),
project_id,
),
)
inserted_messages.append(normalized_message)
existing_ids.add(mid)
existing_positions[mid] = semantic_index.append({
**normalized_message,
"created_at": normalized_message["timestamp"],
})
if inserted_messages or changed_existing:
await self._db.commit()
return inserted_messages
async def get_channel_messages(
self,
channel_id: str,
limit: int = 100,
project_id: str = "default",
) -> list[dict[str, Any]]:
"""Return messages for a specific channel."""
fetch_limit = max(limit * 4, limit, 1)
cursor = await self._db.execute(
"SELECT message_id, channel_id, sender, sender_name, content, "
"timestamp, reply_to_id, mentions, metadata "
"FROM messages WHERE channel_id = ? AND project_id = ? ORDER BY timestamp DESC LIMIT ?",
(channel_id, project_id, fetch_limit),
)
rows = await cursor.fetchall()
messages = [self._row_to_message_dict(row) for row in rows]
messages.reverse()
messages = self._dedupe_messages(messages)
if len(messages) > limit:
messages = messages[-limit:]
return messages
async def get_channel_messages_page(
self,
channel_id: str,
*,
limit: int = 100,
before_timestamp: float | None = None,
before_message_id: str | None = None,
detail_level: str = "full",
project_id: str = "default",
) -> list[dict[str, Any]]:
"""Return the message slice from :meth:`get_channel_messages_page_info`.
This compatibility wrapper intentionally delegates cursor handling to
the exact pager so callers cannot accidentally paginate raw rows before
renderer visibility and semantic de-duplication have been applied.
"""
page = await self.get_channel_messages_page_info(
channel_id,
limit=limit,
before_timestamp=before_timestamp,
before_message_id=before_message_id,
detail_level=detail_level,
project_id=project_id,
)
return page["messages"]
async def _get_channel_visible_messages(
self,
channel_id: str,
*,
detail_level: str,
project_id: str,
) -> list[dict[str, Any]]:
"""Load the final UI-visible, de-duplicated channel timeline.
The cache stores both transcript backfill and UI-only rows such as
approval cards and legacy notices. SQL can exclude detail-only rows,
but only the message formatter's semantic merge can determine the
final rows. Consequently the merge must happen across the complete
visible set before a page boundary is chosen.
"""
query = (
"SELECT message_id, channel_id, sender, sender_name, content, "
"timestamp, reply_to_id, mentions, metadata "
"FROM messages WHERE channel_id = ? AND project_id = ?"
)
query += rendered_transcript_visibility_sql(
detail_level=detail_level,
)
query += " ORDER BY timestamp ASC, message_id ASC"
cursor = await self._db.execute(query, (channel_id, project_id))
rows = await cursor.fetchall()
messages = [self._row_to_message_dict(row) for row in rows]
deduped = self._dedupe_messages(messages)
return sorted(
deduped,
key=lambda message: (
self._message_timestamp(message),
str(message.get("message_id", "") or ""),
),
)
async def get_channel_messages_page_info(
self,
channel_id: str,
*,
limit: int = 100,
before_timestamp: float | None = None,
before_message_id: str | None = None,
detail_level: str = "full",
project_id: str = "default",
) -> dict[str, Any]:
"""Return an exact final-visible page and its pagination metadata.
``total_count`` counts the de-duplicated UI rows for the whole channel;
``has_more`` describes rows older than the returned page for the given
cursor. Both values include UI-only messages that have no transcript
counterpart.
"""
messages = await self._get_channel_visible_messages(
channel_id,
detail_level=detail_level,
project_id=project_id,
)
total_count = len(messages)
candidates = messages
normalized_before_id = str(before_message_id or "").strip()
if before_timestamp is not None:
normalized_before_timestamp = float(before_timestamp)
if normalized_before_id:
candidates = [
message
for message in messages
if (
self._message_timestamp(message),
str(message.get("message_id", "") or ""),
) < (normalized_before_timestamp, normalized_before_id)
]
else:
candidates = [
message
for message in messages
if self._message_timestamp(message) < normalized_before_timestamp
]
normalized_limit = max(int(limit), 1)
return {
"messages": candidates[-normalized_limit:],
"has_more": len(candidates) > normalized_limit,
"total_count": total_count,
}
async def get_channel_visible_message_count(
self,
channel_id: str,
project_id: str = "default",
*,
detail_level: str = "full",
) -> int:
"""Return the de-duplicated visible message count for a channel."""
messages = await self._get_channel_visible_messages(
channel_id,
detail_level=detail_level,
project_id=project_id,
)
return len(messages)
async def get_unresolved_checkpoint_messages(
self,
channel_id: str,
*,
checkpoint_type: str | None = None,
project_id: str = "default",
) -> list[dict[str, Any]]:
"""Return checkpoint cards that still have no terminal UI status."""
normalized_checkpoint_type = str(checkpoint_type or "").strip()
terminal_statuses = (
"responded",
"resolved",
"timeout",
"timed_out",
"expired",
"stale",
"superseded",
"ignored",
"cancelled",
"canceled",
"invalid",
)
placeholders = ",".join("?" for _ in terminal_statuses)
query = (
"SELECT message_id, channel_id, sender, sender_name, content, "
"timestamp, reply_to_id, mentions, metadata "
"FROM messages WHERE channel_id = ? AND project_id = ? "
"AND COALESCE(json_extract(metadata, '$.checkpoint_id'), '') != '' "
f"AND lower(COALESCE(json_extract(metadata, '$.checkpoint_status'), '')) NOT IN ({placeholders})"
)
params: list[Any] = [channel_id, project_id, *terminal_statuses]
if normalized_checkpoint_type:
query += " AND json_extract(metadata, '$.checkpoint_type') = ?"
params.append(normalized_checkpoint_type)
query += " ORDER BY timestamp ASC"
cursor = await self._db.execute(query, tuple(params))
rows = await cursor.fetchall()
return [self._row_to_message_dict(row) for row in rows]
async def mark_checkpoint_responded(
self,
channel_id: str,
checkpoint_id: str,
*,
checkpoint_type: str | None = None,
response_message_id: str | None = None,
response_metadata: dict[str, Any] | None = None,
project_id: str = "default",
) -> dict[str, Any] | None:
"""Persist that a checkpoint card already received a user response.
Returns the full updated message dict if the checkpoint was found and
updated, or ``None`` otherwise. The returned dict has the same shape
as :meth:`insert_message` / :meth:`_row_to_message_dict` so it can be
broadcast directly via the WebSocket ``session_message`` event.
"""
return await self.update_checkpoint_status(
checkpoint_id,
channel_id=channel_id,
checkpoint_type=checkpoint_type,
status="responded",
response_message_id=response_message_id,
response_metadata=response_metadata,
project_id=project_id,
)
async def get_checkpoint_message(
self,
checkpoint_id: str,
*,
channel_id: str | None = None,
checkpoint_type: str | None = None,
project_id: str = "default",
) -> dict[str, Any] | None:
"""Read-only lookup of a checkpoint card message by checkpoint id."""
normalized_checkpoint_id = str(checkpoint_id or "").strip()
if not normalized_checkpoint_id:
return None
normalized_checkpoint_type = str(checkpoint_type or "").strip()
normalized_channel_id = str(channel_id or "").strip()
params: list[Any] = [project_id]
query = (
"SELECT message_id, channel_id, sender, sender_name, content, "
"timestamp, reply_to_id, mentions, metadata "
"FROM messages WHERE project_id = ?"
)
if normalized_channel_id:
query += " AND channel_id = ?"
params.append(normalized_channel_id)
query += " ORDER BY timestamp DESC"
cursor = await self._db.execute(query, tuple(params))
rows = await cursor.fetchall()
for row in rows:
metadata = json.loads(row[8]) if row[8] else {}
if str(metadata.get("checkpoint_id", "")).strip() != normalized_checkpoint_id:
continue
if normalized_checkpoint_type and str(metadata.get("checkpoint_type", "")).strip() != normalized_checkpoint_type:
continue
return self._row_to_message_dict(row)
return None
async def update_checkpoint_status(
self,
checkpoint_id: str,
*,
channel_id: str | None = None,
checkpoint_type: str | None = None,
status: str = "resolved",
response_message_id: str | None = None,
response_metadata: dict[str, Any] | None = None,
status_metadata: dict[str, Any] | None = None,
project_id: str = "default",
) -> dict[str, Any] | None:
"""Persist a terminal checkpoint status on the original card.
``channel_id`` is optional so lifecycle events such as escalation
timeout/resolved, which only carry the checkpoint id, can still update
the original session message across any project/session.
"""
normalized_checkpoint_id = str(checkpoint_id or "").strip()
normalized_checkpoint_type = str(checkpoint_type or "").strip()
normalized_channel_id = str(channel_id or "").strip()
normalized_status = str(status or "resolved").strip().lower() or "resolved"
if not normalized_checkpoint_id:
return None
params: list[Any] = [project_id]
query = (
"SELECT message_id, channel_id, sender, sender_name, content, "
"timestamp, reply_to_id, mentions, metadata "
"FROM messages WHERE project_id = ?"
)
if normalized_channel_id:
query += " AND channel_id = ?"
params.append(normalized_channel_id)
query += " ORDER BY timestamp DESC"
cursor = await self._db.execute(
query,
tuple(params),
)
rows = await cursor.fetchall()
for row in rows:
message_id = row[0]
metadata = json.loads(row[8]) if row[8] else {}
if str(metadata.get("checkpoint_id", "")).strip() != normalized_checkpoint_id:
continue
if normalized_checkpoint_type and str(metadata.get("checkpoint_type", "")).strip() != normalized_checkpoint_type:
continue
current_status = str(metadata.get("checkpoint_status", "") or "").strip().lower()
terminal_statuses = {
"responded",
"resolved",
"timeout",
"timed_out",
"expired",
"stale",
"superseded",
"ignored",
"cancelled",
"canceled",
"invalid",
}
if current_status in terminal_statuses and normalized_status != "responded":
return {
"message_id": message_id,
"channel_id": row[1],
"sender": row[2],
"sender_name": row[3],
"content": self._normalize_message_content(row[4]),
"created_at": row[5],
"reply_to_id": row[6],
"mentions": json.loads(row[7]) if row[7] else [],
"metadata": metadata,
"project_id": project_id,
}
now = time.time()
metadata["checkpoint_status"] = normalized_status
if normalized_status == "responded":
metadata["checkpoint_responded_at"] = now
else:
metadata["checkpoint_resolved_at"] = now
if response_message_id:
metadata["checkpoint_response_message_id"] = response_message_id
if isinstance(status_metadata, dict):
for key, value in status_metadata.items():
metadata[str(key)] = value
if isinstance(response_metadata, dict):
raw_checkpoint_reply_kind = str(response_metadata.get("checkpoint_reply_kind", "") or "").strip().lower()
if raw_checkpoint_reply_kind in {"approve", "deny", "feedback", "ignore"}:
metadata["checkpoint_reply_kind"] = raw_checkpoint_reply_kind
raw_role_agents = response_metadata.get("recruitment_role_agents")
if isinstance(raw_role_agents, dict):
normalized_role_agents = {
str(raw_role_id or "").strip(): str(raw_agent or "").strip().lower()
for raw_role_id, raw_agent in raw_role_agents.items()
if str(raw_role_id or "").strip() and str(raw_agent or "").strip()
}
if normalized_role_agents:
metadata["recruitment_role_agents"] = normalized_role_agents
raw_proposals = metadata.get("proposals")
if isinstance(raw_proposals, list):
updated_proposals: list[Any] = []
proposals_changed = False
for proposal in raw_proposals:
if not isinstance(proposal, dict):
updated_proposals.append(proposal)
continue
role_id = str(proposal.get("role_id", "")).strip()
next_agent = normalized_role_agents.get(role_id)
if not next_agent:
updated_proposals.append(proposal)
continue
current_agent = str(proposal.get("selected_agent", "") or "").strip().lower()
if current_agent == next_agent:
updated_proposals.append(proposal)
continue
proposals_changed = True
updated_proposals.append({
**proposal,
"selected_agent": next_agent,
})
if proposals_changed:
metadata["proposals"] = updated_proposals
raw_staffing_roles = metadata.get("staffing_roles")
if isinstance(raw_staffing_roles, list):
updated_staffing_roles: list[Any] = []
staffing_roles_changed = False
for role in raw_staffing_roles:
if not isinstance(role, dict):
updated_staffing_roles.append(role)
continue
role_id = str(role.get("role_id", "")).strip()
next_agent = normalized_role_agents.get(role_id)
if not next_agent:
updated_staffing_roles.append(role)
continue
current_agent = str(role.get("selected_agent", "") or "").strip().lower()
if current_agent == next_agent:
updated_staffing_roles.append(role)
continue
staffing_roles_changed = True
updated_staffing_roles.append({
**role,
"selected_agent": next_agent,
})
if staffing_roles_changed:
metadata["staffing_roles"] = updated_staffing_roles
raw_recruitment_agent = str(response_metadata.get("recruitment_agent", "") or "").strip().lower().replace("-", "_")
if raw_recruitment_agent:
metadata["recruitment_agent"] = raw_recruitment_agent
raw_staffing_action = str(response_metadata.get("staffing_action", "") or "").strip().lower()
if raw_staffing_action:
metadata["staffing_action"] = raw_staffing_action
raw_staffing_selections = response_metadata.get("staffing_selections")
if isinstance(raw_staffing_selections, dict):
normalized_staffing_selections: dict[str, dict[str, str]] = {}
for raw_role_id, raw_selection in raw_staffing_selections.items():
role_id = str(raw_role_id or "").strip()
if not role_id or not isinstance(raw_selection, dict):
continue
kind = str(raw_selection.get("kind", "") or "").strip().lower()
selected_id = str(raw_selection.get("id", "") or "").strip()
if kind in {"employee", "template"} and selected_id:
normalized_staffing_selections[role_id] = {"kind": kind, "id": selected_id}
elif kind == "fallback":
normalized_staffing_selections[role_id] = {"kind": "fallback", "id": ""}
if normalized_staffing_selections:
metadata["staffing_selections"] = normalized_staffing_selections
await self._db.execute(
"UPDATE messages SET metadata = ? WHERE message_id = ? AND project_id = ?",
(json.dumps(metadata, ensure_ascii=False), message_id, project_id),
)
await self._db.commit()
return {
"message_id": message_id,
"channel_id": row[1],
"sender": row[2],
"sender_name": row[3],
"content": self._normalize_message_content(row[4]),
"created_at": row[5],
"reply_to_id": row[6],
"mentions": json.loads(row[7]) if row[7] else [],
"metadata": metadata,
"project_id": project_id,
}
return None
# ── Task progress methods ─────────────────────────────────────────
# Cap on how many persisted progress entries we keep per task. The UI's
# Activity detail panel (AgentWorkPanel) reads this back on page
# refresh / reconnect, and a busy role can easily emit >50 entries in a
# single work item (start + several thinking chunks + many tool_call lines +
# gate verdict). 50 was too aggressive — role activity panels showed
# "start/thinking/tool/gate" events only partially. Entries are small
# dicts (~200B typical, ~1KB worst case with thinking detail), so 1000
# adds at most ~1MB per task in SQLite. If this ever becomes a storage
# concern, swap this in-row JSON blob for a proper rolling table.
_PROGRESS_MAX_ENTRIES = 1000
# Streaming text types arrive as one entry per token-sized delta. Without
# folding, thinking floods the entry cap (forensics: 929/1000 entries were
# single-token thinking rows) and evicts the interleaved tool history.
_PROGRESS_STREAM_MERGE_TYPES = frozenset({"thinking", "assistant"})
@staticmethod
def _progress_stream_key(entry: dict[str, Any]) -> tuple[str, str, str] | None:
entry_type = str(entry.get("type", "") or "")
if entry_type not in ChatStore._PROGRESS_STREAM_MERGE_TYPES:
return None
item_id = str(entry.get("item_id") or entry.get("stream_id") or "").strip()
if not item_id:
return None
return (entry_type, str(entry.get("turn_id", "") or ""), item_id)
@classmethod
def _fold_progress_entries(
cls,
existing: list[dict[str, Any]],
new_entries: list[dict[str, Any]],
) -> list[dict[str, Any]]:
"""Fold streaming deltas into their stream's entry (mirrors the
frontend ``appendProgressEntry`` merge so persisted state equals what
the live client built)."""
merged = list(existing)
index_by_key: dict[tuple[str, str, str], int] = {}
for i, entry in enumerate(merged):
key = cls._progress_stream_key(entry)
if key is not None:
index_by_key[key] = i
for entry in new_entries:
key = cls._progress_stream_key(entry)
if key is None or key not in index_by_key:
if key is not None:
index_by_key[key] = len(merged)
merged.append(entry)
continue
target = merged[index_by_key[key]]
last_seq = target.get("seq")
new_seq = entry.get("seq")
if isinstance(last_seq, (int, float)) and isinstance(new_seq, (int, float)) and new_seq <= last_seq:
continue
# Deltas are disjoint token fragments — concatenate raw, no strip.
detail = f"{target.get('detail') or ''}{entry.get('detail') or ''}"
preview = " ".join(detail.split())
folded = dict(target)
folded.update(entry)
# The folded stream is one UI timeline row. Preserve its creation
# timestamp so reconnect snapshots cannot move it around tools.
folded["timestamp"] = target.get("timestamp", entry.get("timestamp"))
folded["detail"] = detail
folded["summary"] = preview[:120].rstrip() + ("..." if len(preview) > 120 else "")
merged[index_by_key[key]] = folded
return merged
async def append_progress(
self,
task_id: str,
new_entries: list[dict[str, Any]],
project_id: str = "default",
) -> None:
"""Merge new progress entries into the persisted list for a task.
Keeps at most ``_PROGRESS_MAX_ENTRIES`` (most recent). Uses UPSERT so
the first call creates the row and subsequent calls update it.
"""
existing = await self.get_progress(task_id, project_id=project_id)
merged = self._fold_progress_entries(existing, new_entries)[-self._PROGRESS_MAX_ENTRIES:]
async def _write() -> None:
await self._db.execute(
"INSERT OR REPLACE INTO task_progress (task_id, entries, updated_at, project_id) "
"VALUES (?, ?, ?, ?)",
(task_id, json.dumps(merged, ensure_ascii=False, default=str), time.time(), project_id),
)
await self._db.commit()
await self._retry_locked(_write)
async def get_progress(self, task_id: str, project_id: str = "default") -> list[dict[str, Any]]:
"""Read persisted progress entries for a task."""
cursor = await self._db.execute(
"SELECT entries FROM task_progress WHERE task_id = ? AND project_id = ?",
(task_id, project_id),
)
row = await cursor.fetchone()
if not row:
return []
try:
return json.loads(row[0])
except (json.JSONDecodeError, TypeError):
return []
async def get_progress_many(
self,
task_ids: list[str],
project_id: str = "default",
) -> dict[str, list[dict[str, Any]]]:
"""Read persisted progress entries for many tasks in one query."""
normalized_ids = [str(task_id or "").strip() for task_id in task_ids if str(task_id or "").strip()]
if not normalized_ids:
return {}
placeholders = ",".join("?" for _ in normalized_ids)
cursor = await self._db.execute(
f"SELECT task_id, entries FROM task_progress WHERE task_id IN ({placeholders}) AND project_id = ?",
tuple([*normalized_ids, project_id]),
)
rows = await cursor.fetchall()
progress_by_task: dict[str, list[dict[str, Any]]] = {
task_id: []
for task_id in normalized_ids
}
for task_id, raw_entries in rows:
try:
progress_by_task[str(task_id)] = json.loads(raw_entries) if raw_entries else []
except (json.JSONDecodeError, TypeError):
progress_by_task[str(task_id)] = []
return progress_by_task
async def delete_progress(self, task_id: str, project_id: str = "default") -> None:
"""Remove progress entries for a task (called on session delete)."""
await self._db.execute(
"DELETE FROM task_progress WHERE task_id = ? AND project_id = ?",
(task_id, project_id),
)
await self._db.commit()
async def delete_project_progress(self, project_id: str) -> None:
"""Remove all progress entries for a project."""
await self._db.execute(
"DELETE FROM task_progress WHERE project_id = ?", (project_id,),
)
await self._db.commit()
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