import {  ApprovalRequestId,  ChatAttachment,  CheckpointRef,  IsoDateTime,  MessageId,  NonNegativeInt,  ProjectScript,  TurnId,  ModelSelection,  ProjectId,  ProjectIconOverride,  ThreadId,} from "@t3tools/contracts";import {  OrchestrationCheckpointFile,  OrchestrationProposedPlanId,  OrchestrationReadModel,  OrchestrationThreadSearchSource,  OrchestrationShellSnapshot,  OrchestrationThread,  OrchestrationThreadDetailSnapshot,  type OrchestrationCheckpointSummary,  type OrchestrationLatestTurn,  type OrchestrationMessage,  type OrchestrationProjectShell,  type OrchestrationProposedPlan,  type OrchestrationProject,  type OrchestrationSession,  type OrchestrationThreadActivity,  type OrchestrationThreadShell,} from "@t3tools/contracts/legacy-orchestration";import * as Arr from "effect/Array";import * as Effect from "effect/Effect";import * as Layer from "effect/Layer";import * as Option from "effect/Option";import * as Result from "effect/Result";import * as Schema from "effect/Schema";import * as Struct from "effect/Struct";import * as SqlClient from "effect/unstable/sql/SqlClient";import * as SqlSchema from "effect/unstable/sql/SqlSchema"; import {  isPersistenceError,  toPersistenceDecodeError,  toPersistenceSqlError,  type ProjectionRepositoryError,} from "../../persistence/Errors.ts";import { ProjectionCheckpoint } from "../../persistence/Services/ProjectionCheckpoints.ts";import { ThreadBackgroundLivenessService } from "../ThreadBackgroundLiveness.ts";import { ThreadPlanProgressService } from "../ThreadPlanProgress.ts";import { ProjectionProject } from "../../persistence/Services/ProjectionProjects.ts";import { ProjectionState } from "../../persistence/Services/ProjectionState.ts";import { ProjectionThreadActivity } from "../../persistence/Services/ProjectionThreadActivities.ts";import { ProjectionThreadMessage } from "../../persistence/Services/ProjectionThreadMessages.ts";import { ProjectionThreadProposedPlan } from "../../persistence/Services/ProjectionThreadProposedPlans.ts";import { ProjectionThreadSession } from "../../persistence/Services/ProjectionThreadSessions.ts";import { ProjectionThread } from "../../persistence/Services/ProjectionThreads.ts";import { ProjectEnrichmentService } from "../../project/ProjectEnrichmentService.ts";import {  decodeThreadDetailPageCursor,  encodeThreadDetailPageCursor,} from "../threadDetailCursor.ts";import { ORCHESTRATION_PROJECTOR_NAMES } from "./ProjectionPipeline.ts";import {  ProjectionSnapshotQuery,  type ProjectionEventReplayStats,  type ProjectionFullThreadDiffContext,  type ProjectionSnapshotCounts,  type ProjectionThreadCheckpointContext,  type ProjectionThreadDetailQuery,  type ProjectionSnapshotQueryShape,} from "../Services/ProjectionSnapshotQuery.ts"; const decodeReadModel = Schema.decodeUnknownEffect(OrchestrationReadModel);const decodeShellSnapshot = Schema.decodeUnknownEffect(OrchestrationShellSnapshot);const decodeThread = Schema.decodeUnknownEffect(OrchestrationThread);// Keep detail reads consistent with the in-memory projector's retained// activity window. Applying the limit in SQL avoids decoding an unbounded// payload_json set before the projector can enforce that invariant.const THREAD_DETAIL_ACTIVITY_LIMIT = 500;const ProjectionProjectDbRowSchema = ProjectionProject.mapFields(  Struct.assign({    defaultModelSelection: Schema.NullOr(Schema.fromJsonString(ModelSelection)),    autoPull: Schema.Number,    projectIcon: Schema.NullOr(Schema.fromJsonString(ProjectIconOverride)),    scripts: Schema.fromJsonString(Schema.Array(ProjectScript)),  }),);const ProjectionThreadMessageDbRowSchema = ProjectionThreadMessage.mapFields(  Struct.assign({    isStreaming: Schema.Number,    attachments: Schema.NullOr(Schema.fromJsonString(Schema.Array(ChatAttachment))),  }),);const ProjectionThreadProposedPlanDbRowSchema = ProjectionThreadProposedPlan;const ProjectionThreadDbRowSchema = ProjectionThread.mapFields(  Struct.assign({    modelSelection: Schema.fromJsonString(ModelSelection),  }),);const ProjectionThreadActivityDbRowSchema = ProjectionThreadActivity.mapFields(  Struct.assign({    payload: Schema.fromJsonString(Schema.Unknown),    sequence: Schema.NullOr(NonNegativeInt),  }),);const ProjectionThreadSessionDbRowSchema = ProjectionThreadSession;const ProjectionThreadRuntimeContextDbRowSchema = Schema.Struct({  id: ThreadId,  title: Schema.String,  session: Schema.NullOr(ProjectionThreadSessionDbRowSchema),});const ProjectionCheckpointDbRowSchema = ProjectionCheckpoint.mapFields(  Struct.assign({    files: Schema.fromJsonString(Schema.Array(OrchestrationCheckpointFile)),  }),);const ProjectionLatestTurnDbRowSchema = Schema.Struct({  threadId: ProjectionThread.fields.threadId,  turnId: TurnId,  state: Schema.String,  requestedAt: IsoDateTime,  startedAt: Schema.NullOr(IsoDateTime),  completedAt: Schema.NullOr(IsoDateTime),  assistantMessageId: Schema.NullOr(MessageId),  sourceProposedPlanThreadId: Schema.NullOr(ThreadId),  sourceProposedPlanId: Schema.NullOr(OrchestrationProposedPlanId),});const ProjectionStateDbRowSchema = ProjectionState;const ProjectionCountsRowSchema = Schema.Struct({  projectCount: Schema.Number,  threadCount: Schema.Number,});const EventReplayStatsInput = Schema.Struct({  fromSequenceExclusive: NonNegativeInt,  toSequenceInclusive: NonNegativeInt,});const EventReplayStatsRowSchema = Schema.Struct({  eventCount: Schema.Number,  payloadBytes: Schema.Number,});const ProjectionThreadSearchRequest = Schema.Struct({  pattern: Schema.String,  limit: Schema.Int,});const ProjectionThreadSearchRow = Schema.Struct({  threadId: ThreadId,  projectId: ProjectId,  source: OrchestrationThreadSearchSource,  matchText: Schema.String,  messageCreatedAt: Schema.NullOr(IsoDateTime),});const WorkspaceRootLookupInput = Schema.Struct({  workspaceRoot: Schema.String,});const ProjectIdLookupInput = Schema.Struct({  projectId: ProjectId,});const ThreadIdLookupInput = Schema.Struct({  threadId: ThreadId,});const ThreadActivityKindsLookupInput = Schema.Struct({  threadId: ThreadId,  activityKinds: Schema.Array(Schema.String),});// Windowed reads order turns by the stable keyset (anchor, turn key), where// anchor is requested_at and turn key is// COALESCE(turn_id, ''). Both are event-derived, so cursors survive the// revert projector's row-id rewrite and full projection rebuilds.const ThreadTurnWindowLookupInput = Schema.Struct({  threadId: ThreadId,  // Exclusive keyset upper bound. Sentinels "~"/"" mean unbounded ("~" sorts  // after every ISO timestamp).  beforeAnchorAt: Schema.String,  beforeTurnKey: Schema.String,  userTurnLimit: Schema.Number,  maxRawTurns: Schema.Number,});const ProjectionTurnWindowRowSchema = Schema.Struct({  // The turn's timeline anchor, used to bound rows that have no turn linkage  // (user messages and turnless activities) to the same page window.  anchorAt: Schema.String,  turnKey: Schema.String,});const ThreadTurnRangeLookupInput = Schema.Struct({  threadId: ThreadId,  // Turn-linked rows are bounded by the keyset range [min, before) over  // (anchor, turn key); turnless rows by the matching [minAnchorAt,  // beforeAnchorAt) time range. Unbounded ends use sentinels: "" for the  // lower bound, "~" (sorts after ISO dates) for the upper bound.  minAnchorAt: Schema.String,  minTurnKey: Schema.String,  beforeAnchorAt: Schema.String,  beforeTurnKey: Schema.String,});const ProjectionProjectLookupRowSchema = ProjectionProjectDbRowSchema;const ProjectionThreadIdLookupRowSchema = Schema.Struct({  threadId: ThreadId,});const ProjectionThreadCheckpointContextThreadRowSchema = Schema.Struct({  threadId: ThreadId,  projectId: ProjectId,  workspaceRoot: Schema.String,  worktreePath: Schema.NullOr(Schema.String),});const FullThreadDiffContextLookupInput = Schema.Struct({  threadId: ThreadId,  checkpointTurnCount: NonNegativeInt,});const ProjectionFullThreadDiffContextRowSchema = Schema.Struct({  threadId: ThreadId,  projectId: ProjectId,  workspaceRoot: Schema.String,  worktreePath: Schema.NullOr(Schema.String),  latestCheckpointTurnCount: Schema.NullOr(NonNegativeInt),  toCheckpointRef: Schema.NullOr(CheckpointRef),}); const REQUIRED_SNAPSHOT_PROJECTORS = [  ORCHESTRATION_PROJECTOR_NAMES.projects,  ORCHESTRATION_PROJECTOR_NAMES.threads,  ORCHESTRATION_PROJECTOR_NAMES.threadMessages,  ORCHESTRATION_PROJECTOR_NAMES.threadProposedPlans,  ORCHESTRATION_PROJECTOR_NAMES.threadActivities,  ORCHESTRATION_PROJECTOR_NAMES.threadSessions,  ORCHESTRATION_PROJECTOR_NAMES.checkpoints,] as const; function maxIso(left: string | null, right: string): string {  if (left === null) {    return right;  }  return left > right ? left : right;} function escapeLikePattern(value: string): string {  return value.replaceAll("!", "!!").replaceAll("%", "!%").replaceAll("_", "!_");} function foldAsciiCase(value: string): string {  return value.replace(/[A-Z]/g, (character) => character.toLowerCase());} function buildSearchSnippet(text: string, query: string): string {  const normalizedText = text.replace(/\s+/g, " ").trim();  if (normalizedText.length <= 240) {    return normalizedText;  }   const normalizedQuery = foldAsciiCase(query.replace(/\s+/g, " ").trim());  const matchIndex = foldAsciiCase(normalizedText).indexOf(normalizedQuery);  const bodyLength = 236;  const idealStart = Math.max(0, matchIndex - 72);  const start = Math.min(idealStart, normalizedText.length - bodyLength);  const end = Math.min(normalizedText.length, start + bodyLength);  return `${start > 0 ? "…" : ""}${normalizedText.slice(start, end)}${    end < normalizedText.length ? "…" : ""  }`;} function computeSnapshotSequence(  stateRows: ReadonlyArray<Schema.Schema.Type<typeof ProjectionStateDbRowSchema>>,): number {  if (stateRows.length === 0) {    return 0;  }  const sequenceByProjector = new Map(    stateRows.map((row) => [row.projector, row.lastAppliedSequence] as const),  );   let minSequence = Number.POSITIVE_INFINITY;  for (const projector of REQUIRED_SNAPSHOT_PROJECTORS) {    const sequence = sequenceByProjector.get(projector);    if (sequence === undefined) {      return 0;    }    if (sequence < minSequence) {      minSequence = sequence;    }  }   return Number.isFinite(minSequence) ? minSequence : 0;} function mapLatestTurn(  row: Schema.Schema.Type<typeof ProjectionLatestTurnDbRowSchema>,): OrchestrationLatestTurn {  return {    turnId: row.turnId,    state:      row.state === "error"        ? "error"        : row.state === "interrupted"          ? "interrupted"          : row.state === "completed"            ? "completed"            : "running",    requestedAt: row.requestedAt,    startedAt: row.startedAt,    completedAt: row.completedAt,    assistantMessageId: row.assistantMessageId,    ...(row.sourceProposedPlanThreadId !== null && row.sourceProposedPlanId !== null      ? {          sourceProposedPlan: {            threadId: row.sourceProposedPlanThreadId,            planId: row.sourceProposedPlanId,          },        }      : {}),  };} function mapTitleRegeneration(row: Schema.Schema.Type<typeof ProjectionThreadDbRowSchema>) {  return row.titleRegenerationRequestId != null && row.titleRegenerationStartedAt != null    ? {        requestId: row.titleRegenerationRequestId,        startedAt: row.titleRegenerationStartedAt,      }    : null;} function mapSessionRow(  row: Schema.Schema.Type<typeof ProjectionThreadSessionDbRowSchema>,): OrchestrationSession {  return {    threadId: row.threadId,    status: row.status,    providerName: row.providerName,    ...(row.providerInstanceId !== null ? { providerInstanceId: row.providerInstanceId } : {}),    runtimeMode: row.runtimeMode,    activeTurnId: row.activeTurnId,    lastError: row.lastError,    updatedAt: row.updatedAt,  };} function mapProjectShellRow(  row: Schema.Schema.Type<typeof ProjectionProjectDbRowSchema>,  repositoryIdentity: OrchestrationProject["repositoryIdentity"],): OrchestrationProjectShell {  return {    id: row.projectId,    title: row.title,    workspaceRoot: row.workspaceRoot,    repositoryIdentity,    defaultModelSelection: row.defaultModelSelection,    defaultThreadEnvMode: row.defaultThreadEnvMode,    autoPull: row.autoPull === 1,    faviconPath: row.faviconPath ?? null,    projectIcon: row.projectIcon ?? null,    scripts: row.scripts,    createdAt: row.createdAt,    updatedAt: row.updatedAt,  };} function mapProposedPlanRow(  row: Schema.Schema.Type<typeof ProjectionThreadProposedPlanDbRowSchema>,): OrchestrationProposedPlan {  return {    id: row.planId,    turnId: row.turnId,    planMarkdown: row.planMarkdown,    implementedAt: row.implementedAt,    implementationThreadId: row.implementationThreadId,    createdAt: row.createdAt,    updatedAt: row.updatedAt,  };} function toPersistenceSqlOrDecodeError(sqlOperation: string, decodeOperation: string) {  return (cause: unknown): ProjectionRepositoryError =>    Schema.isSchemaError(cause)      ? toPersistenceDecodeError(decodeOperation)(cause)      : toPersistenceSqlError(sqlOperation)(cause);} const makeProjectionSnapshotQuery = Effect.gen(function* () {  const threadBackgroundLiveness = yield* ThreadBackgroundLivenessService;  const threadPlanProgress = yield* ThreadPlanProgressService;  const sql = yield* SqlClient.SqlClient;  const projectEnrichment = yield* ProjectEnrichmentService;  const getAvailableRepositoryIdentities = Effect.fn(    "ProjectionSnapshotQuery.getAvailableRepositoryIdentities",  )(function* (    projectRows: ReadonlyArray<Schema.Schema.Type<typeof ProjectionProjectDbRowSchema>>,    options?: {      readonly includeDeleted?: boolean;    },  ) {    const filteredProjectRows =      options?.includeDeleted === true        ? projectRows        : projectRows.filter((row) => row.deletedAt === null);    const uniqueWorkspaceRoots = [...new Set(filteredProjectRows.map((row) => row.workspaceRoot))];    const repositoryIdentityByWorkspaceRoot = new Map(      yield* Effect.forEach(        uniqueWorkspaceRoots,        (workspaceRoot) =>          projectEnrichment            .getAvailable(workspaceRoot)            .pipe(              Effect.map((enrichment) => [workspaceRoot, enrichment.repositoryIdentity] as const),            ),        { concurrency: 16 },      ),    );     return new Map(      filteredProjectRows.map((row) => [        row.projectId,        repositoryIdentityByWorkspaceRoot.get(row.workspaceRoot) ?? null,      ]),    );  });   const listProjectRows = SqlSchema.findAll({    Request: Schema.Void,    Result: ProjectionProjectDbRowSchema,    execute: () =>      sql`        SELECT          project_id AS "projectId",          title,          workspace_root AS "workspaceRoot",          default_model_selection_json AS "defaultModelSelection",          default_thread_env_mode AS "defaultThreadEnvMode",          auto_pull AS "autoPull",          favicon_path AS "faviconPath",          project_icon_json AS "projectIcon",          scripts_json AS "scripts",          created_at AS "createdAt",          updated_at AS "updatedAt",          deleted_at AS "deletedAt"        FROM projection_projects        ORDER BY created_at ASC, project_id ASC      `,  });   const listThreadRows = SqlSchema.findAll({    Request: Schema.Void,    Result: ProjectionThreadDbRowSchema,    execute: () =>      sql`        SELECT          thread_id AS "threadId",          project_id AS "projectId",          title,          model_selection_json AS "modelSelection",          runtime_mode AS "runtimeMode",          interaction_mode AS "interactionMode",          branch,          worktree_path AS "worktreePath",          linked_pull_request_json AS "linkedPullRequest",          latest_turn_id AS "latestTurnId",          created_at AS "createdAt",          updated_at AS "updatedAt",          archived_at AS "archivedAt",          settled_override AS "settledOverride",          settled_at AS "settledAt",          unsettled_at AS "unsettledAt",          snoozed_until AS "snoozedUntil",          snoozed_at AS "snoozedAt",          pinned_at AS "pinnedAt",          pin_order_key AS "pinOrderKey",          title_regeneration_request_id AS "titleRegenerationRequestId",          title_regeneration_started_at AS "titleRegenerationStartedAt",          latest_user_message_at AS "latestUserMessageAt",          pending_approval_count AS "pendingApprovalCount",          pending_user_input_count AS "pendingUserInputCount",          has_actionable_proposed_plan AS "hasActionableProposedPlan",          deleted_at AS "deletedAt"        FROM projection_threads        ORDER BY created_at ASC, thread_id ASC      `,  });   const listActiveThreadRows = SqlSchema.findAll({    Request: Schema.Void,    Result: ProjectionThreadDbRowSchema,    execute: () =>      sql`        SELECT          thread_id AS "threadId",          project_id AS "projectId",          title,          model_selection_json AS "modelSelection",          runtime_mode AS "runtimeMode",          interaction_mode AS "interactionMode",          branch,          worktree_path AS "worktreePath",          linked_pull_request_json AS "linkedPullRequest",          latest_turn_id AS "latestTurnId",          created_at AS "createdAt",          updated_at AS "updatedAt",          archived_at AS "archivedAt",          settled_override AS "settledOverride",          settled_at AS "settledAt",          unsettled_at AS "unsettledAt",

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