chore: merge current develop into workspace catalog DTO source

# Conflicts:
#	crates/workspace-api/src/lib.rs
#	crates/workspace-server/src/server.rs
#	web/workspace/deno.json
#	web/workspace/src/lib/workspace/sidebar/types.ts

web/workspace/deno.json

@@ -6,7 +6,7 @@
     "dev": "deno run -A npm:vite@7.2.7 dev",
     "dev:backend": "cd ../.. && cargo run -p yoi-workspace-server --bin yoi-server -- serve --listen 127.0.0.1:8787",
     "check": "deno run -A npm:@sveltejs/kit@2.49.4 sync && deno run -A npm:svelte-check@4.3.4 --tsconfig ./tsconfig.json",
-    "test": "deno test --allow-read=src,test,tests --allow-env=LOG,VSCODE_TEXTMATE_DEBUG tests/workspace-model.test.ts tests/workspace-catalog.test.ts src/lib/workspace/auth/model.test.ts src/lib/workspace/api/http.test.ts src/lib/workspace/header/breadcrumb-model.test.ts src/lib/workspace/console/chat-submit.test.ts src/lib/workspace/console/composer-command.test.ts src/lib/workspace/console/composer-completion.test.ts src/lib/workspace/console/markdown.test.ts test/console/ansi.test.ts src/lib/workspace/console/model.test.ts src/lib/workspace/console/tasks.test.ts test/ticket-detail-route-reuse.test.ts src/lib/workspace/console/worker-console.ui.test.ts src/lib/workspace/settings/model.test.ts src/lib/workspace/sidebar/override-stack.test.ts src/lib/workspace/sidebar/workers.test.ts src/lib/workspace/sidebar/workspace-switcher.test.ts src/lib/workspace/sidebar/worker-subscription.test.ts src/lib/workspace/sidebar/worker-launch.test.ts src/lib/workspace/tickets/merge-request-resources.test.ts src/lib/workspace/tickets/ticket-panel.test.ts test/merge-request-status.test.ts test/config-source/decodal-grammar.test.ts test/config-source/editor-state.test.ts test/config-source/fixed-schema-wrapper.test.ts test/config-source/toolchain.test.ts test/config-source/wasm-parity.test.ts",
+    "test": "deno test --allow-read=src,test,tests --allow-env=LOG,VSCODE_TEXTMATE_DEBUG,NODE_ENV tests/workspace-model.test.ts tests/workspace-catalog.test.ts src/lib/workspace/auth/model.test.ts src/lib/workspace/api/http.test.ts src/lib/workspace/header/breadcrumb-model.test.ts src/lib/workspace/console/chat-submit.test.ts src/lib/workspace/console/composer-command.test.ts src/lib/workspace/console/composer-completion.test.ts src/lib/workspace/console/markdown.test.ts test/console/ansi.test.ts src/lib/workspace/console/model.test.ts src/lib/workspace/companion/api.test.ts tests/workdir-api.test.ts src/lib/workspace/console/tasks.test.ts test/ticket-detail-route-reuse.test.ts src/lib/workspace/console/worker-console.ui.test.ts src/lib/workspace/settings/model.test.ts src/lib/workspace/sidebar/override-stack.test.ts src/lib/workspace/sidebar/workers.test.ts src/lib/workspace/sidebar/workspace-switcher.test.ts src/lib/workspace/sidebar/worker-subscription.test.ts src/lib/workspace/sidebar/worker-launch.test.ts src/lib/workspace/tickets/merge-request-resources.test.ts src/lib/workspace/tickets/ticket-panel.test.ts test/merge-request-status.test.ts test/config-source/decodal-grammar.test.ts test/config-source/editor-state.test.ts test/config-source/fixed-schema-wrapper.test.ts test/config-source/toolchain.test.ts test/config-source/wasm-parity.test.ts test/repository-access/api.test.ts test/repository-access/loader.test.ts test/repository-access/ui.test.ts",
     "build": "deno run -A npm:vite@7.2.7 build",
     "preview": "deno run -A npm:vite@7.2.7 preview"
   },

web/workspace/src/lib/generated/companion-api.ts

@@ -0,0 +1,64 @@
+// Generated by `cargo run -p workspace-api --features typescript --example generate_companion_api_types`.
+// Do not edit manually.
+
+export type DiagnosticSeverity = "info" | "warning" | "error";
+
+export type Diagnostic = {
+  code: string;
+  severity: DiagnosticSeverity;
+  message: string;
+};
+
+export type WorkspaceWorkerSubject = {
+  "kind": "runtime_worker";
+  runtime_id: string;
+  worker_id: string;
+};
+
+export type WorkspaceWorkerDiscoveryItem = {
+  subject: WorkspaceWorkerSubject;
+  resource_key: string;
+  display_name: string;
+  profile: string | null;
+  status?: string | null;
+};
+
+export type CompanionLifecycleState = "idle" | "running" | "stopped";
+
+export type CompanionMessageDisposition = "accepted" | "rejected";
+
+export type CompanionTransportSummary = { mode: string; available: boolean };
+
+export type CompanionStatusResponse = {
+  state: CompanionLifecycleState;
+  worker: WorkspaceWorkerDiscoveryItem | null;
+  transport: CompanionTransportSummary;
+  diagnostics: Array<Diagnostic>;
+};
+
+export type CompanionMessageRequest = { content: string };
+
+export type CompanionCancelRequest = { reason?: string | null };
+
+export type CompanionMessageResponse = {
+  state: CompanionMessageDisposition;
+  message: string;
+};
+
+export type CompanionTranscriptRole = "user" | "assistant";
+
+export type CompanionTranscriptItem = {
+  sequence: number;
+  role: CompanionTranscriptRole;
+  content: string;
+  created_at: string;
+};
+
+export type CompanionTranscriptProjection = {
+  state: CompanionLifecycleState;
+  start: number;
+  limit: number;
+  total: number;
+  next: number | null;
+  items: Array<CompanionTranscriptItem>;
+};

web/workspace/src/lib/generated/repository-access-api.ts

@@ -0,0 +1,79 @@
+// Generated from workspace-api. Do not edit by hand.
+// Regenerate: cargo run -q -p workspace-api --features typescript --example generate_repository_access_types > web/workspace/src/lib/generated/repository-access-api.ts
+
+export type RepositorySshCredential = {
+  credential_id: string;
+  workspace_id: string;
+  name: string;
+  public_key_algorithm: string;
+  public_key_fingerprint: string;
+  current_revision: number;
+  status: string;
+  created_at: string;
+  rotated_at: string | null;
+  referenced_repositories: Array<string>;
+};
+
+export type CreateRepositorySshCredentialRequest = {
+  operation_id: string;
+  credential_id: string;
+  name: string;
+  private_key: string;
+  passphrase: string | null;
+};
+
+export type RotateRepositorySshCredentialRequest = {
+  operation_id: string;
+  expected_revision: number;
+  private_key: string;
+  passphrase: string | null;
+};
+
+export type DeleteRepositorySshCredentialRequest = {
+  operation_id: string;
+  expected_revision: number;
+};
+
+export type RepositorySshHostTrust = {
+  host_trust_id: string;
+  workspace_id: string;
+  hostname: string;
+  port: number;
+  key_algorithm: string;
+  host_key: string;
+  fingerprint: string;
+  current_revision: number;
+  created_at: string;
+  updated_at: string;
+  referenced_repositories: Array<string>;
+};
+
+export type PutRepositorySshHostTrustRequest = {
+  operation_id: string;
+  host_trust_id: string;
+  hostname: string;
+  port: number;
+  host_key: string;
+  expected_revision: number | null;
+};
+
+export type DeleteRepositorySshHostTrustRequest = {
+  operation_id: string;
+  expected_revision: number;
+};
+
+export type RepositoryAccessMode = "read_only" | "read_write";
+
+export type RepositorySshAccessBinding = {
+  repository_id: string;
+  credential_id: string;
+  host_trust_id: string;
+  access: RepositoryAccessMode;
+};
+
+export type RepositoryAccessProjection = {
+  workspace_id: string;
+  config_revision: number;
+  projection_digest: string;
+  bindings: Array<RepositorySshAccessBinding>;
+};

web/workspace/src/lib/generated/workdir-api.ts

@@ -0,0 +1,24 @@
+// Generated from workspace-api. Do not edit by hand.
+// Regenerate: cargo run -q -p workspace-api --features typescript --example generate_workdir_api_types > web/workspace/src/lib/generated/workdir-api.ts
+
+export type DiagnosticSeverity = "info" | "warning" | "error";
+
+export type Diagnostic = { code: string, severity: DiagnosticSeverity, message: string, };
+
+export type WorkingDirectoryMaterializerKind = "runtime_git_cache" | "local_git_worktree";
+
+export type WorkingDirectoryStatusKind = "active" | "cleanup_pending" | "corrupted" | "not_found" | "unknown";
+
+export type WorkingDirectoryCleanupTarget = { kind: string, working_directory_id: string, repository_id: string, };
+
+export type WorkingDirectoryOccupancy = { runtime_id: string, worker_id: string, display_name: string, linked_at: string, };
+
+export type WorkingDirectorySummary = { working_directory_id: string, repository_id: string, creation_selector?: string | null, creation_ref?: string | null, creation_tree?: string | null, current_selector?: string | null, current_ref?: string | null, current_tree?: string | null, observed_at_epoch_seconds?: number | null, materializer_kind: WorkingDirectoryMaterializerKind, cleanup_target?: WorkingDirectoryCleanupTarget | null, status: WorkingDirectoryStatusKind, cleanliness?: string | null, primary_worker_id?: string | null, occupied_by?: WorkingDirectoryOccupancy | null, };
+
+export type WorkingDirectoryCreateRequest = { runtime_id?: string | null, repository_id: string, selector?: string | null, operation_id?: string | null, };
+
+export type WorkingDirectoryListResponse = { workspace_id: string, items: Array<WorkingDirectorySummary>, diagnostics: Array<Diagnostic>, };
+
+export type WorkingDirectoryDetailResponse = { workspace_id: string, runtime_id: string, item: WorkingDirectorySummary, diagnostics: Array<Diagnostic>, };
+
+export type WorkingDirectoryCreateResponse = { workspace_id: string, runtime_id: string, item: WorkingDirectorySummary, diagnostics: Array<Diagnostic>, };

web/workspace/src/lib/workspace/api/http.ts

@@ -113,6 +113,7 @@ export async function loadJson<T>(
   fetchFn: typeof fetch,
   path: string,
   init?: RequestInit,
+  parse: (value: unknown) => T = (value) => value as T,
 ): Promise<ApiResult<T>> {
   try {
     const response = await fetchFn(path, init);
@@ -123,7 +124,8 @@ export async function loadJson<T>(
         error: text || `${path} request failed (${response.status})`,
       };
     }
-    return { data: (await response.json()) as T, error: null };
+    const payload: unknown = await response.json();
+    return { data: parse(payload), error: null };
   } catch (error) {
     return {
       data: null,

web/workspace/src/lib/workspace/api/repository-access-loader.ts

@@ -0,0 +1,45 @@
+import { error } from "@sveltejs/kit";
+import { RepositoryAccessSchemaError } from "./repository-access.ts";
+
+export async function loadRepositoryAccessJson<T>(
+  fetcher: typeof fetch,
+  path: string,
+  parse: (value: unknown) => T,
+): Promise<T> {
+  let response: Response;
+  try {
+    response = await fetcher(path, { headers: { accept: "application/json" } });
+  } catch {
+    error(503, { message: "Repository Access is temporarily unavailable." });
+  }
+
+  if (response.status === 401 || response.status === 403) {
+    error(403, {
+      message: "Repository Access is unavailable for this account.",
+    });
+  }
+  if (!response.ok) {
+    error(502, {
+      message:
+        `Repository Access request failed with status ${response.status}.`,
+    });
+  }
+
+  let payload: unknown;
+  try {
+    payload = await response.json();
+  } catch {
+    error(502, {
+      message: "Repository Access returned an invalid JSON response.",
+    });
+  }
+
+  try {
+    return parse(payload);
+  } catch (cause) {
+    if (cause instanceof RepositoryAccessSchemaError) {
+      error(502, { message: cause.message });
+    }
+    throw cause;
+  }
+}

web/workspace/src/lib/workspace/api/repository-access.ts

@@ -0,0 +1,228 @@
+import type {
+  RepositoryAccessProjection,
+  RepositorySshCredential,
+  RepositorySshHostTrust,
+} from "../../generated/repository-access-api.ts";
+
+export class RepositoryAccessSchemaError extends Error {
+  constructor(path: string, expected: string) {
+    super(
+      `Repository Access response schema mismatch at ${path}: expected ${expected}`,
+    );
+    this.name = "RepositoryAccessSchemaError";
+  }
+}
+
+export function parseRepositorySshCredentials(
+  value: unknown,
+): RepositorySshCredential[] {
+  return readArray(value, "credentials").map((entry, index) =>
+    parseRepositorySshCredential(entry, `credentials[${index}]`)
+  );
+}
+
+export function parseRepositorySshCredential(
+  value: unknown,
+  path = "credential",
+): RepositorySshCredential {
+  const record = readRecord(value, path, [
+    "credential_id",
+    "workspace_id",
+    "name",
+    "public_key_algorithm",
+    "public_key_fingerprint",
+    "current_revision",
+    "status",
+    "created_at",
+    "rotated_at",
+    "referenced_repositories",
+  ]);
+  readString(record, "credential_id", path);
+  readString(record, "workspace_id", path);
+  readString(record, "name", path);
+  readString(record, "public_key_algorithm", path);
+  readString(record, "public_key_fingerprint", path);
+  readRevision(record, "current_revision", path);
+  readString(record, "status", path);
+  readString(record, "created_at", path);
+  readNullableString(record, "rotated_at", path);
+  readStringArray(record, "referenced_repositories", path);
+  return record as RepositorySshCredential;
+}
+
+export function parseRepositorySshHostTrusts(
+  value: unknown,
+): RepositorySshHostTrust[] {
+  return readArray(value, "host_trusts").map((entry, index) =>
+    parseRepositorySshHostTrust(entry, `host_trusts[${index}]`)
+  );
+}
+
+export function parseRepositorySshHostTrust(
+  value: unknown,
+  path = "host_trust",
+): RepositorySshHostTrust {
+  const record = readRecord(value, path, [
+    "host_trust_id",
+    "workspace_id",
+    "hostname",
+    "port",
+    "key_algorithm",
+    "host_key",
+    "fingerprint",
+    "current_revision",
+    "created_at",
+    "updated_at",
+    "referenced_repositories",
+  ]);
+  readString(record, "host_trust_id", path);
+  readString(record, "workspace_id", path);
+  readString(record, "hostname", path);
+  const port = readInteger(record, "port", path);
+  if (port < 1 || port > 65_535) {
+    throw new RepositoryAccessSchemaError(
+      `${path}.port`,
+      "an integer from 1 to 65535",
+    );
+  }
+  readString(record, "key_algorithm", path);
+  readString(record, "host_key", path);
+  readString(record, "fingerprint", path);
+  readRevision(record, "current_revision", path);
+  readString(record, "created_at", path);
+  readString(record, "updated_at", path);
+  readStringArray(record, "referenced_repositories", path);
+  return record as RepositorySshHostTrust;
+}
+
+export function parseRepositoryAccessProjection(
+  value: unknown,
+): RepositoryAccessProjection {
+  const path = "access_projection";
+  const record = readRecord(value, path, [
+    "workspace_id",
+    "config_revision",
+    "projection_digest",
+    "bindings",
+  ]);
+  readString(record, "workspace_id", path);
+  readRevision(record, "config_revision", path);
+  readString(record, "projection_digest", path);
+  const bindings = readArray(record.bindings, `${path}.bindings`);
+  bindings.forEach((binding, index) => {
+    const bindingPath = `${path}.bindings[${index}]`;
+    const bindingRecord = readRecord(binding, bindingPath, [
+      "repository_id",
+      "credential_id",
+      "host_trust_id",
+      "access",
+    ]);
+    readString(bindingRecord, "repository_id", bindingPath);
+    readString(bindingRecord, "credential_id", bindingPath);
+    readString(bindingRecord, "host_trust_id", bindingPath);
+    const access = readString(bindingRecord, "access", bindingPath);
+    if (access !== "read_only" && access !== "read_write") {
+      throw new RepositoryAccessSchemaError(
+        `${bindingPath}.access`,
+        '"read_only" or "read_write"',
+      );
+    }
+  });
+  return record as RepositoryAccessProjection;
+}
+
+function readRecord(
+  value: unknown,
+  path: string,
+  allowedKeys: readonly string[],
+): Record<string, unknown> {
+  if (typeof value !== "object" || value === null || Array.isArray(value)) {
+    throw new RepositoryAccessSchemaError(path, "an object");
+  }
+  const record = value as Record<string, unknown>;
+  const unknownKey = Object.keys(record).find((key) =>
+    !allowedKeys.includes(key)
+  );
+  if (unknownKey !== undefined) {
+    throw new RepositoryAccessSchemaError(
+      `${path}.${unknownKey}`,
+      "no unknown field",
+    );
+  }
+  return record;
+}
+
+function readArray(value: unknown, path: string): unknown[] {
+  if (!Array.isArray(value)) {
+    throw new RepositoryAccessSchemaError(path, "an array");
+  }
+  return value;
+}
+
+function readString(
+  record: Record<string, unknown>,
+  key: string,
+  path: string,
+): string {
+  const value = record[key];
+  if (typeof value !== "string") {
+    throw new RepositoryAccessSchemaError(`${path}.${key}`, "a string");
+  }
+  return value;
+}
+
+function readNullableString(
+  record: Record<string, unknown>,
+  key: string,
+  path: string,
+): string | null {
+  const value = record[key];
+  if (value !== null && typeof value !== "string") {
+    throw new RepositoryAccessSchemaError(`${path}.${key}`, "a string or null");
+  }
+  return value;
+}
+
+function readStringArray(
+  record: Record<string, unknown>,
+  key: string,
+  path: string,
+): string[] {
+  const values = readArray(record[key], `${path}.${key}`);
+  values.forEach((value, index) => {
+    if (typeof value !== "string") {
+      throw new RepositoryAccessSchemaError(
+        `${path}.${key}[${index}]`,
+        "a string",
+      );
+    }
+  });
+  return values as string[];
+}
+
+function readInteger(
+  record: Record<string, unknown>,
+  key: string,
+  path: string,
+): number {
+  const value = record[key];
+  if (typeof value !== "number" || !Number.isSafeInteger(value)) {
+    throw new RepositoryAccessSchemaError(`${path}.${key}`, "a safe integer");
+  }
+  return value;
+}
+
+function readRevision(
+  record: Record<string, unknown>,
+  key: string,
+  path: string,
+): number {
+  const revision = readInteger(record, key, path);
+  if (revision < 0) {
+    throw new RepositoryAccessSchemaError(
+      `${path}.${key}`,
+      "a non-negative safe integer",
+    );
+  }
+  return revision;
+}

web/workspace/src/lib/workspace/api/workdirs.ts

@@ -0,0 +1,250 @@
+import type {
+  Diagnostic,
+  WorkingDirectoryCleanupTarget,
+  WorkingDirectoryCreateRequest,
+  WorkingDirectoryCreateResponse,
+  WorkingDirectoryDetailResponse,
+  WorkingDirectoryListResponse,
+  WorkingDirectoryOccupancy,
+  WorkingDirectorySummary,
+} from "../../generated/workdir-api";
+
+const SUMMARY_KEYS = new Set([
+  "working_directory_id",
+  "repository_id",
+  "creation_selector",
+  "creation_ref",
+  "creation_tree",
+  "current_selector",
+  "current_ref",
+  "current_tree",
+  "observed_at_epoch_seconds",
+  "materializer_kind",
+  "cleanup_target",
+  "status",
+  "cleanliness",
+  "primary_worker_id",
+  "occupied_by",
+]);
+const CREATE_REQUEST_KEYS = new Set([
+  "runtime_id",
+  "repository_id",
+  "selector",
+  "operation_id",
+]);
+const DIAGNOSTIC_KEYS = new Set(["code", "severity", "message"]);
+const CLEANUP_TARGET_KEYS = new Set([
+  "kind",
+  "working_directory_id",
+  "repository_id",
+]);
+const OCCUPANCY_KEYS = new Set([
+  "runtime_id",
+  "worker_id",
+  "display_name",
+  "linked_at",
+]);
+
+export function parseWorkingDirectoryListResponse(
+  value: unknown,
+): WorkingDirectoryListResponse {
+  const record = exactRecord(
+    value,
+    new Set(["workspace_id", "items", "diagnostics"]),
+    "Workdir list response",
+  );
+  return {
+    workspace_id: stringField(record, "workspace_id"),
+    items: arrayField(record, "items").map(parseSummary),
+    diagnostics: arrayField(record, "diagnostics").map(parseDiagnostic),
+  };
+}
+
+export function parseWorkingDirectoryDetailResponse(
+  value: unknown,
+): WorkingDirectoryDetailResponse {
+  return parseDetailLike(value, "Workdir detail response");
+}
+
+export function parseWorkingDirectoryCreateResponse(
+  value: unknown,
+): WorkingDirectoryCreateResponse {
+  return parseDetailLike(value, "Workdir create response");
+}
+
+export function validateWorkingDirectoryCreateRequest(
+  value: unknown,
+): WorkingDirectoryCreateRequest {
+  const record = exactRecord(
+    value,
+    CREATE_REQUEST_KEYS,
+    "Workdir create request",
+  );
+  const request: WorkingDirectoryCreateRequest = {
+    repository_id: stringField(record, "repository_id"),
+  };
+  assignOptionalString(request, record, "runtime_id");
+  assignOptionalString(request, record, "selector");
+  assignOptionalString(request, record, "operation_id");
+  return request;
+}
+
+function parseDetailLike(
+  value: unknown,
+  label: string,
+): WorkingDirectoryDetailResponse {
+  const record = exactRecord(
+    value,
+    new Set(["workspace_id", "runtime_id", "item", "diagnostics"]),
+    label,
+  );
+  return {
+    workspace_id: stringField(record, "workspace_id"),
+    runtime_id: stringField(record, "runtime_id"),
+    item: parseSummary(record.item),
+    diagnostics: arrayField(record, "diagnostics").map(parseDiagnostic),
+  };
+}
+
+function parseSummary(value: unknown): WorkingDirectorySummary {
+  const record = exactRecord(value, SUMMARY_KEYS, "Workdir summary");
+  const summary: WorkingDirectorySummary = {
+    working_directory_id: stringField(record, "working_directory_id"),
+    repository_id: stringField(record, "repository_id"),
+    materializer_kind: enumField(record, "materializer_kind", [
+      "runtime_git_cache",
+      "local_git_worktree",
+    ]),
+    status: enumField(record, "status", [
+      "active",
+      "cleanup_pending",
+      "corrupted",
+      "not_found",
+      "unknown",
+    ]),
+  };
+  assignOptionalString(summary, record, "creation_selector");
+  assignOptionalString(summary, record, "creation_ref");
+  assignOptionalString(summary, record, "creation_tree");
+  assignOptionalString(summary, record, "current_selector");
+  assignOptionalString(summary, record, "current_ref");
+  assignOptionalString(summary, record, "current_tree");
+  assignOptionalString(summary, record, "cleanliness");
+  assignOptionalString(summary, record, "primary_worker_id");
+  if (record.observed_at_epoch_seconds !== undefined) {
+    const observedAt = record.observed_at_epoch_seconds;
+    if (observedAt === null) {
+      summary.observed_at_epoch_seconds = null;
+    } else {
+      if (!Number.isSafeInteger(observedAt) || Number(observedAt) < 0) {
+        throw new Error(
+          "Workdir summary.observed_at_epoch_seconds must be a non-negative safe integer or null",
+        );
+      }
+      summary.observed_at_epoch_seconds = Number(observedAt);
+    }
+  }
+  if (record.cleanup_target !== undefined) {
+    summary.cleanup_target = record.cleanup_target === null
+      ? null
+      : parseCleanupTarget(record.cleanup_target);
+  }
+  if (record.occupied_by !== undefined) {
+    summary.occupied_by = record.occupied_by === null
+      ? null
+      : parseOccupancy(record.occupied_by);
+  }
+  return summary;
+}
+
+function parseCleanupTarget(value: unknown): WorkingDirectoryCleanupTarget {
+  const record = exactRecord(
+    value,
+    CLEANUP_TARGET_KEYS,
+    "Workdir cleanup target",
+  );
+  return {
+    kind: stringField(record, "kind"),
+    working_directory_id: stringField(record, "working_directory_id"),
+    repository_id: stringField(record, "repository_id"),
+  };
+}
+
+function parseOccupancy(value: unknown): WorkingDirectoryOccupancy {
+  const record = exactRecord(value, OCCUPANCY_KEYS, "Workdir occupancy");
+  return {
+    runtime_id: stringField(record, "runtime_id"),
+    worker_id: stringField(record, "worker_id"),
+    display_name: stringField(record, "display_name"),
+    linked_at: stringField(record, "linked_at"),
+  };
+}
+
+function parseDiagnostic(value: unknown): Diagnostic {
+  const record = exactRecord(value, DIAGNOSTIC_KEYS, "Workdir diagnostic");
+  return {
+    code: stringField(record, "code"),
+    severity: enumField(record, "severity", ["info", "warning", "error"]),
+    message: stringField(record, "message"),
+  };
+}
+
+function exactRecord(
+  value: unknown,
+  keys: ReadonlySet<string>,
+  label: string,
+): Record<string, unknown> {
+  if (!value || typeof value !== "object" || Array.isArray(value)) {
+    throw new Error(`${label} must be an object`);
+  }
+  const record = value as Record<string, unknown>;
+  for (const key of Object.keys(record)) {
+    if (!keys.has(key)) {
+      throw new Error(`${label} contains unknown field ${key}`);
+    }
+  }
+  return record;
+}
+
+function stringField(record: Record<string, unknown>, key: string): string {
+  const value = record[key];
+  if (typeof value !== "string" || value.length === 0) {
+    throw new Error(`${key} must be a non-empty string`);
+  }
+  return value;
+}
+
+function arrayField(record: Record<string, unknown>, key: string): unknown[] {
+  const value = record[key];
+  if (!Array.isArray(value)) throw new Error(`${key} must be an array`);
+  return value;
+}
+
+function enumField<T extends string>(
+  record: Record<string, unknown>,
+  key: string,
+  values: readonly T[],
+): T {
+  const value = record[key];
+  if (typeof value !== "string" || !values.includes(value as T)) {
+    throw new Error(`${key} has an unsupported value`);
+  }
+  return value as T;
+}
+
+function assignOptionalString<T extends object>(
+  target: T,
+  source: Record<string, unknown>,
+  key: string,
+): void {
+  const value = source[key];
+  if (value === undefined) return;
+  if (value === null) {
+    (target as Record<string, unknown>)[key] = null;
+    return;
+  }
+  if (typeof value !== "string" || value.length === 0) {
+    throw new Error(`${key} must be a non-empty string or null`);
+  }
+  (target as Record<string, unknown>)[key] = value;
+}

web/workspace/src/lib/workspace/companion/api.test.ts

@@ -0,0 +1,195 @@
+import {
+  parseCompanionMessageResponse,
+  parseCompanionStatusResponse,
+  parseCompanionTranscriptProjection,
+} from "./api.ts";
+
+declare const Deno: {
+  test(name: string, fn: () => void): void;
+};
+
+function assertEquals<T>(actual: T, expected: T): void {
+  if (JSON.stringify(actual) !== JSON.stringify(expected)) {
+    throw new Error(
+      `Expected ${JSON.stringify(expected)}, got ${JSON.stringify(actual)}`,
+    );
+  }
+}
+
+function assertThrows(fn: () => unknown, message: string): void {
+  try {
+    fn();
+  } catch {
+    return;
+  }
+  throw new Error(message);
+}
+
+const worker = {
+  subject: {
+    kind: "runtime_worker",
+    runtime_id: "arcadia",
+    worker_id: "worker-7",
+  },
+  resource_key: "W-7",
+  display_name: "Companion",
+  profile: "builtin:companion",
+  status: "idle",
+};
+
+Deno.test("Companion status boundary accepts every public lifecycle state", () => {
+  for (const state of ["idle", "running", "stopped"] as const) {
+    const parsed = parseCompanionStatusResponse({
+      state,
+      worker,
+      transport: {
+        mode: "worker_runtime",
+        available: state !== "stopped",
+      },
+      diagnostics: [],
+    });
+    assertEquals(parsed.state, state);
+    assertEquals(parsed.worker?.subject, worker.subject);
+    assertEquals(parsed.worker?.resource_key, "W-7");
+    assertEquals(parsed.worker?.display_name, "Companion");
+  }
+});
+
+Deno.test("Companion message boundary accepts accepted and rejected fixtures", () => {
+  assertEquals(
+    parseCompanionMessageResponse({
+      state: "accepted",
+      message: "accepted",
+    }),
+    { state: "accepted", message: "accepted" },
+  );
+  assertEquals(
+    parseCompanionMessageResponse({
+      state: "rejected",
+      message: "rejected",
+    }),
+    { state: "rejected", message: "rejected" },
+  );
+  assertThrows(
+    () =>
+      parseCompanionMessageResponse({
+        state: "accepted",
+        message: "accepted",
+        provider_request_id: "private-request",
+      }),
+    "private message response fields should be rejected",
+  );
+});
+
+Deno.test("Companion transcript boundary accepts only bounded user-visible items", () => {
+  const fixture = {
+    state: "idle" as const,
+    start: 0,
+    limit: 2,
+    total: 2,
+    next: null,
+    items: [
+      {
+        sequence: 1,
+        role: "user" as const,
+        content: "hello",
+        created_at: "2026-08-31T00:00:00Z",
+      },
+      {
+        sequence: 2,
+        role: "assistant" as const,
+        content: "hi",
+        created_at: "2026-08-31T00:00:01Z",
+      },
+    ],
+  };
+  assertEquals(parseCompanionTranscriptProjection(fixture), fixture);
+  assertEquals(
+    parseCompanionTranscriptProjection({
+      state: "stopped",
+      start: 0,
+      limit: 0,
+      total: 0,
+      next: null,
+      items: [],
+    }),
+    {
+      state: "stopped",
+      start: 0,
+      limit: 0,
+      total: 0,
+      next: null,
+      items: [],
+    },
+  );
+
+  assertThrows(
+    () =>
+      parseCompanionTranscriptProjection({
+        ...fixture,
+        items: [...fixture.items, fixture.items[0]],
+      }),
+    "items beyond the declared limit should be rejected",
+  );
+});
+
+Deno.test("Companion transcript boundary rejects system and private fields", () => {
+  const base = {
+    state: "idle",
+    start: 0,
+    limit: 1,
+    total: 1,
+    next: null,
+  };
+  assertThrows(
+    () =>
+      parseCompanionTranscriptProjection({
+        ...base,
+        items: [{
+          sequence: 1,
+          role: "system",
+          content: "raw system prompt",
+          created_at: "2026-08-31T00:00:00Z",
+        }],
+      }),
+    "system transcript content should be rejected",
+  );
+  assertThrows(
+    () =>
+      parseCompanionTranscriptProjection({
+        ...base,
+        items: [{
+          sequence: 1,
+          role: "assistant",
+          content: "visible",
+          created_at: "2026-08-31T00:00:00Z",
+          reasoning: "hidden",
+          credential: "secret",
+          provider_session_id: "private-session",
+        }],
+      }),
+    "private transcript fields should be rejected",
+  );
+});
+
+Deno.test("Companion status boundary does not use display_name as Worker identity", () => {
+  const fixture = {
+    state: "idle",
+    worker: { ...worker, display_name: "W-999" },
+    transport: { mode: "worker_runtime", available: true },
+    diagnostics: [],
+  };
+  const parsed = parseCompanionStatusResponse(fixture);
+  assertEquals(parsed.worker?.subject, worker.subject);
+  assertEquals(parsed.worker?.resource_key, "W-7");
+  assertEquals(parsed.worker?.display_name, "W-999");
+
+  assertThrows(
+    () =>
+      parseCompanionStatusResponse({
+        ...fixture,
+        worker: { ...worker, resource_key: "Companion" },
+      }),
+    "display names must not substitute for canonical Worker resource keys",
+  );
+});

web/workspace/src/lib/workspace/companion/api.ts

@@ -0,0 +1,225 @@
+import type {
+  CompanionLifecycleState,
+  CompanionMessageDisposition,
+  CompanionMessageResponse,
+  CompanionStatusResponse,
+  CompanionTranscriptItem,
+  CompanionTranscriptProjection,
+  Diagnostic,
+  DiagnosticSeverity,
+  WorkspaceWorkerDiscoveryItem,
+  WorkspaceWorkerSubject,
+} from "$lib/generated/companion-api";
+
+const MAX_TRANSCRIPT_ITEMS = 200;
+const MAX_DIAGNOSTICS = 100;
+const MAX_CONTENT_LENGTH = 64 * 1024;
+
+export function parseCompanionStatusResponse(
+  value: unknown,
+): CompanionStatusResponse {
+  const record = strictRecord(value, [
+    "state",
+    "worker",
+    "transport",
+    "diagnostics",
+  ]);
+  const transport = strictRecord(record.transport, ["mode", "available"]);
+  const diagnostics = boundedArray(record.diagnostics, MAX_DIAGNOSTICS).map(
+    parseDiagnostic,
+  );
+
+  return {
+    state: lifecycleState(record.state),
+    worker: record.worker === null ? null : parseWorker(record.worker),
+    transport: {
+      mode: boundedString(transport.mode, 100),
+      available: booleanValue(transport.available),
+    },
+    diagnostics,
+  };
+}
+
+export function parseCompanionMessageResponse(
+  value: unknown,
+): CompanionMessageResponse {
+  const record = strictRecord(value, ["state", "message"]);
+  return {
+    state: messageDisposition(record.state),
+    message: boundedString(record.message, 8 * 1024),
+  };
+}
+
+export function parseCompanionTranscriptProjection(
+  value: unknown,
+): CompanionTranscriptProjection {
+  const record = strictRecord(value, [
+    "state",
+    "start",
+    "limit",
+    "total",
+    "next",
+    "items",
+  ]);
+  const start = boundedInteger(record.start);
+  const limit = boundedInteger(record.limit);
+  if (limit > MAX_TRANSCRIPT_ITEMS) {
+    throw new TypeError("Companion transcript limit is out of range");
+  }
+  const items = boundedArray(record.items, limit).map(parseTranscriptItem);
+  const total = boundedInteger(record.total);
+  if (total < items.length) {
+    throw new TypeError("Companion transcript total is smaller than its items");
+  }
+  const next = record.next === null ? null : boundedInteger(record.next);
+
+  return {
+    state: lifecycleState(record.state),
+    start,
+    limit,
+    total,
+    next,
+    items,
+  };
+}
+
+function parseTranscriptItem(value: unknown): CompanionTranscriptItem {
+  const record = strictRecord(value, [
+    "sequence",
+    "role",
+    "content",
+    "created_at",
+  ]);
+  const role = record.role;
+  if (role !== "user" && role !== "assistant") {
+    throw new TypeError("Companion transcript role is not user-visible");
+  }
+  return {
+    sequence: boundedInteger(record.sequence),
+    role,
+    content: boundedString(record.content, MAX_CONTENT_LENGTH),
+    created_at: boundedString(record.created_at, 100),
+  };
+}
+
+function parseWorker(value: unknown): WorkspaceWorkerDiscoveryItem {
+  const record = strictRecord(value, [
+    "subject",
+    "resource_key",
+    "display_name",
+    "profile",
+    "status",
+  ], ["status"]);
+  const subject = parseWorkerSubject(record.subject);
+  const resourceKey = boundedString(record.resource_key, 100);
+  if (!/^W-[1-9][0-9]*$/.test(resourceKey)) {
+    throw new TypeError("Companion worker resource_key is not canonical");
+  }
+  return {
+    subject,
+    resource_key: resourceKey,
+    display_name: boundedString(record.display_name, 256),
+    profile: nullableString(record.profile, 256),
+    ...(record.status === undefined
+      ? {}
+      : { status: nullableString(record.status, 100) }),
+  };
+}
+
+function parseWorkerSubject(value: unknown): WorkspaceWorkerSubject {
+  const record = strictRecord(value, ["kind", "runtime_id", "worker_id"]);
+  if (record.kind !== "runtime_worker") {
+    throw new TypeError("Companion worker subject kind is invalid");
+  }
+  return {
+    kind: "runtime_worker",
+    runtime_id: boundedString(record.runtime_id, 256),
+    worker_id: boundedString(record.worker_id, 256),
+  };
+}
+
+function parseDiagnostic(value: unknown): Diagnostic {
+  const record = strictRecord(value, ["code", "severity", "message"]);
+  return {
+    code: boundedString(record.code, 256),
+    severity: diagnosticSeverity(record.severity),
+    message: boundedString(record.message, 4 * 1024),
+  };
+}
+
+function lifecycleState(value: unknown): CompanionLifecycleState {
+  if (value !== "idle" && value !== "running" && value !== "stopped") {
+    throw new TypeError("Companion lifecycle state is invalid");
+  }
+  return value;
+}
+
+function messageDisposition(value: unknown): CompanionMessageDisposition {
+  if (value !== "accepted" && value !== "rejected") {
+    throw new TypeError("Companion message disposition is invalid");
+  }
+  return value;
+}
+
+function diagnosticSeverity(value: unknown): DiagnosticSeverity {
+  if (value !== "info" && value !== "warning" && value !== "error") {
+    throw new TypeError("Companion diagnostic severity is invalid");
+  }
+  return value;
+}
+
+function strictRecord(
+  value: unknown,
+  keys: readonly string[],
+  optionalKeys: readonly string[] = [],
+): Record<string, unknown> {
+  if (typeof value !== "object" || value === null || Array.isArray(value)) {
+    throw new TypeError("Companion API value is not an object");
+  }
+  const record = value as Record<string, unknown>;
+  const allowed = new Set(keys);
+  for (const key of Object.keys(record)) {
+    if (!allowed.has(key)) {
+      throw new TypeError(`Companion API field is not public: ${key}`);
+    }
+  }
+  const optional = new Set(optionalKeys);
+  for (const key of keys) {
+    if (!optional.has(key) && !(key in record)) {
+      throw new TypeError(`Companion API field is missing: ${key}`);
+    }
+  }
+  return record;
+}
+
+function boundedArray(value: unknown, limit: number): unknown[] {
+  if (!Array.isArray(value) || value.length > limit) {
+    throw new TypeError("Companion API array is invalid or exceeds its limit");
+  }
+  return value;
+}
+
+function boundedString(value: unknown, limit: number): string {
+  if (typeof value !== "string" || value.length > limit) {
+    throw new TypeError("Companion API string is invalid or exceeds its limit");
+  }
+  return value;
+}
+
+function nullableString(value: unknown, limit: number): string | null {
+  return value === null ? null : boundedString(value, limit);
+}
+
+function booleanValue(value: unknown): boolean {
+  if (typeof value !== "boolean") {
+    throw new TypeError("Companion API value is not a boolean");
+  }
+  return value;
+}
+
+function boundedInteger(value: unknown): number {
+  if (!Number.isSafeInteger(value) || (value as number) < 0) {
+    throw new TypeError("Companion API value is not a non-negative integer");
+  }
+  return value as number;
+}

web/workspace/src/lib/workspace/sidebar/types.ts

@@ -1,3 +1,11 @@
+import type {
+  WorkingDirectoryCreateRequest,
+  WorkingDirectoryCreateResponse,
+  WorkingDirectoryDetailResponse,
+  WorkingDirectoryListResponse,
+  WorkingDirectoryOccupancy,
+  WorkingDirectorySummary,
+} from "$lib/generated/workdir-api";
 import type {
   Event as PodProtocolEvent,
   Method as PodProtocolMethod,
@@ -14,7 +22,17 @@ import type {
   WorkspaceResponse as SharedWorkspaceResponse,
 } from "$lib/workspace/api/workspace-model";
 
-export type { PodProtocolEvent, PodProtocolMethod, PodProtocolSegment };
+export type {
+  PodProtocolEvent,
+  PodProtocolMethod,
+  PodProtocolSegment,
+  WorkingDirectoryCreateRequest,
+  WorkingDirectoryCreateResponse,
+  WorkingDirectoryDetailResponse,
+  WorkingDirectoryListResponse,
+  WorkingDirectoryOccupancy,
+  WorkingDirectorySummary,
+};
 export type WorkspaceResponse = SharedWorkspaceResponse;
 
 export type Diagnostic = {
@@ -105,44 +123,6 @@ export type WorkingDirectoryRepositoryOption = {
   default_selector?: string | null;
 };
 
-export type WorkingDirectoryOccupancy = {
-  runtime_id: string;
-  worker_id: string;
-  display_name: string;
-  linked_at: string;
-};
-
-export type WorkingDirectorySummary = {
-  working_directory_id: string;
-  repository_id: string;
-  creation_selector?: string | null;
-  creation_ref?: string | null;
-  current_selector?: string | null;
-  current_ref?: string | null;
-  materializer_kind: string;
-  status: string;
-  cleanliness?: string | null;
-  primary_worker_id?: string | null;
-  occupied_by?: WorkingDirectoryOccupancy | null;
-  cleanup_target: {
-    kind: string;
-    working_directory_id: string;
-    repository_id: string;
-  };
-};
-
-export type BrowserWorkingDirectoryCreateResponse = {
-  workspace_id: string;
-  item: WorkingDirectorySummary;
-  diagnostics: Diagnostic[];
-};
-
-export type BrowserWorkingDirectoryListResponse = {
-  workspace_id: string;
-  items: WorkingDirectorySummary[];
-  diagnostics: Diagnostic[];
-};
-
 export type CleanupTargetKind =
   | "worker_delete"
   | "workdir_clean_cleanup"
@@ -211,12 +191,6 @@ export type BrowserWorkerWorkingDirectorySelection = {
   relative_cwd?: string | null;
 };
 
-export type BrowserWorkingDirectoryCreateRequest = {
-  runtime_id: string;
-  repository_id: string;
-  selector?: string | null;
-};
-
 export type WorkerLaunchOptionsResponse = {
   workspace_id: string;
   runtimes: WorkerLaunchRuntimeOption[];
@@ -385,56 +359,15 @@ export type ObjectiveListResponse = {
   record_authority: string;
 };
 
-export type CompanionState =
-  | "ready"
-  | "busy"
-  | "error"
-  | "timeout"
-  | "cancelled"
-  | "accepted"
-  | "rejected";
-
-export type CompanionTransportSummary = {
-  kind: string;
-  completion: string;
-  limitation: string;
-};
-
-export type CompanionStatusResponse = {
-  state: CompanionState;
-  worker?: Worker | null;
-  transport: CompanionTransportSummary;
-  diagnostics: Diagnostic[];
-};
-
-export type CompanionTranscriptItem = {
-  sequence: number;
-  role: "user" | "assistant" | "system" | string;
-  content: string;
-  created_at: string;
-  source: string;
-  status: string;
-};
-
-export type CompanionTranscriptProjection = {
-  state: CompanionState;
-  start: number;
-  limit: number;
-  total_items: number;
-  next_start?: number | null;
-  items: CompanionTranscriptItem[];
-  diagnostics: Diagnostic[];
-};
-
-export type CompanionMessageRequest = {
-  content: string;
-};
-
-export type CompanionMessageResponse = {
-  state: CompanionState;
-  worker?: Worker | null;
-  user_item?: CompanionTranscriptItem | null;
-  assistant_item?: CompanionTranscriptItem | null;
-  transcript: CompanionTranscriptProjection;
-  diagnostics: Diagnostic[];
-};
+export type {
+  CompanionCancelRequest,
+  CompanionLifecycleState,
+  CompanionMessageDisposition,
+  CompanionMessageRequest,
+  CompanionMessageResponse,
+  CompanionStatusResponse,
+  CompanionTranscriptItem,
+  CompanionTranscriptProjection,
+  CompanionTranscriptRole,
+  CompanionTransportSummary,
+} from "$lib/generated/companion-api";

web/workspace/src/routes/w/[workspaceId]/settings/repository-access/+page.svelte

@@ -1,11 +1,24 @@
 <script lang="ts">
   import { untrack } from 'svelte';
+  import type {
+    CreateRepositorySshCredentialRequest,
+    DeleteRepositorySshCredentialRequest,
+    DeleteRepositorySshHostTrustRequest,
+    PutRepositorySshHostTrustRequest,
+    RepositorySshCredential,
+    RepositorySshHostTrust,
+    RotateRepositorySshCredentialRequest,
+  } from '$lib/generated/repository-access-api';
+  import {
+    parseRepositorySshCredential,
+    parseRepositorySshHostTrust,
+  } from '$lib/workspace/api/repository-access';
   import type { PageProps } from './$types';
-  import type { RepositorySshCredential, RepositorySshHostTrust } from './+page';
 
   let { data }: PageProps = $props();
   let credentials = $state<RepositorySshCredential[]>(untrack(() => data.credentials));
   let hostTrusts = $state<RepositorySshHostTrust[]>(untrack(() => data.hostTrusts));
+  const accessProjection = untrack(() => data.accessProjection);
   let message = $state<string | null>(null);
   let pending = $state(false);
 
@@ -29,37 +42,52 @@
     return `${prefix}-${crypto.randomUUID()}`;
   }
 
-  async function request<T>(path: string, method: string, body: unknown): Promise<T> {
+  function request<T>(
+    path: string,
+    method: string,
+    body: unknown,
+    parse: (value: unknown) => T
+  ): Promise<T>;
+  function request(path: string, method: string, body: unknown, parse: null): Promise<void>;
+  async function request<T>(
+    path: string,
+    method: string,
+    body: unknown,
+    parse: ((value: unknown) => T) | null
+  ): Promise<T | undefined> {
     const response = await fetch(`${base}${path}`, {
       method,
       headers: { 'content-type': 'application/json' },
       body: JSON.stringify(body)
     });
     if (!response.ok) {
-      let detail = `request failed (${response.status})`;
-      try {
-        const payload = (await response.json()) as { error?: string; message?: string };
-        detail = payload.message ?? payload.error ?? detail;
-      } catch {
-        // Do not surface submitted secret values from response bodies.
-      }
-      throw new Error(detail);
+      throw new Error(`Repository Access request failed with status ${response.status}.`);
     }
-    if (response.status === 204) return undefined as T;
-    return (await response.json()) as T;
+    if (response.status === 204) return undefined;
+    const payload: unknown = await response.json();
+    if (parse === null) {
+      throw new Error('Repository Access returned an unexpected response body.');
+    }
+    return parse(payload);
   }
 
   async function createCredential() {
     pending = true;
     message = null;
     try {
-      const created = await request<RepositorySshCredential>('/credentials', 'POST', {
+      const body: CreateRepositorySshCredentialRequest = {
         operation_id: operationId('credential-create'),
         credential_id: credentialId,
         name: credentialName,
         private_key: privateKey,
         passphrase: passphrase || null
-      });
+      };
+      const created = await request<RepositorySshCredential>(
+        '/credentials',
+        'POST',
+        body,
+        parseRepositorySshCredential
+      );
       credentials = [...credentials, created].sort((a, b) => a.credential_id.localeCompare(b.credential_id));
       credentialId = '';
       credentialName = '';
@@ -77,15 +105,17 @@
     pending = true;
     message = null;
     try {
+      const body: RotateRepositorySshCredentialRequest = {
+        operation_id: operationId('credential-rotate'),
+        expected_revision: credential.current_revision,
+        private_key: rotatePrivateKey,
+        passphrase: rotatePassphrase || null
+      };
       const rotated = await request<RepositorySshCredential>(
         `/credentials/${encodeURIComponent(credential.credential_id)}/rotate`,
         'POST',
-        {
-          operation_id: operationId('credential-rotate'),
-          expected_revision: credential.current_revision,
-          private_key: rotatePrivateKey,
-          passphrase: rotatePassphrase || null
-        }
+        body,
+        parseRepositorySshCredential
       );
       credentials = credentials.map((entry) => entry.credential_id === rotated.credential_id ? rotated : entry);
       rotateCredentialId = null;
@@ -104,10 +134,16 @@
     pending = true;
     message = null;
     try {
-      await request(`/credentials/${encodeURIComponent(credential.credential_id)}`, 'DELETE', {
+      const body: DeleteRepositorySshCredentialRequest = {
         operation_id: operationId('credential-delete'),
         expected_revision: credential.current_revision
-      });
+      };
+      await request(
+        `/credentials/${encodeURIComponent(credential.credential_id)}`,
+        'DELETE',
+        body,
+        null
+      );
       credentials = credentials.filter((entry) => entry.credential_id !== credential.credential_id);
       message = `Credential ${credential.credential_id} deleted.`;
     } catch (error) {
@@ -121,14 +157,20 @@
     pending = true;
     message = null;
     try {
-      const created = await request<RepositorySshHostTrust>('/host-trusts', 'POST', {
+      const body: PutRepositorySshHostTrustRequest = {
         operation_id: operationId('host-trust-create'),
         host_trust_id: hostTrustId,
         hostname,
         port,
         host_key: hostKey,
         expected_revision: hostExpectedRevision
-      });
+      };
+      const created = await request<RepositorySshHostTrust>(
+        '/host-trusts',
+        'POST',
+        body,
+        parseRepositorySshHostTrust
+      );
       hostTrusts = hostExpectedRevision === null
         ? [...hostTrusts, created].sort((a, b) => a.host_trust_id.localeCompare(b.host_trust_id))
         : hostTrusts.map((entry) => entry.host_trust_id === created.host_trust_id ? created : entry);
@@ -158,10 +200,16 @@
     pending = true;
     message = null;
     try {
-      await request(`/host-trusts/${encodeURIComponent(hostTrust.host_trust_id)}`, 'DELETE', {
+      const body: DeleteRepositorySshHostTrustRequest = {
         operation_id: operationId('host-trust-delete'),
         expected_revision: hostTrust.current_revision
-      });
+      };
+      await request(
+        `/host-trusts/${encodeURIComponent(hostTrust.host_trust_id)}`,
+        'DELETE',
+        body,
+        null
+      );
       hostTrusts = hostTrusts.filter((entry) => entry.host_trust_id !== hostTrust.host_trust_id);
       message = `Host trust ${hostTrust.host_trust_id} deleted.`;
     } catch (error) {
@@ -182,6 +230,18 @@
   <p>Manage Workspace-scoped SSH credentials and pinned host keys. Private keys and passphrases are write-only and never returned by this page.</p>
   {#if message}<p class="status-message">{message}</p>{/if}
 
+  <div class="settings-runtime-list">
+    <h3>Active access projection</h3>
+    <p>Config revision {accessProjection.config_revision} · <code>{accessProjection.projection_digest}</code></p>
+    {#if accessProjection.bindings.length === 0}<p>No repository access bindings are active.</p>{/if}
+    {#each accessProjection.bindings as binding (binding.repository_id)}
+      <div class="card">
+        <strong>{binding.repository_id}</strong>
+        <p>{binding.access} · credential <code>{binding.credential_id}</code> · host trust <code>{binding.host_trust_id}</code></p>
+      </div>
+    {/each}
+  </div>
+
   <div class="settings-runtime-list">
     <h3>SSH credentials</h3>
     {#if credentials.length === 0}<p>No credentials configured.</p>{/if}

web/workspace/src/routes/w/[workspaceId]/settings/repository-access/+page.ts

@@ -1,50 +1,36 @@
+import { workspaceApiPath } from "$lib/workspace/api/http";
+import {
+  parseRepositoryAccessProjection,
+  parseRepositorySshCredentials,
+  parseRepositorySshHostTrusts,
+} from "$lib/workspace/api/repository-access";
+import { loadRepositoryAccessJson } from "$lib/workspace/api/repository-access-loader";
 import type { PageLoad } from "./$types";
-import { loadJson } from "$lib/workspace/api/http";
-
-export interface RepositorySshCredential {
-  credential_id: string;
-  workspace_id: string;
-  name: string;
-  public_key_algorithm: string;
-  public_key_fingerprint: string;
-  current_revision: number;
-  status: string;
-  created_at: string;
-  rotated_at: string | null;
-  referenced_repositories: string[];
-}
-
-export interface RepositorySshHostTrust {
-  host_trust_id: string;
-  workspace_id: string;
-  hostname: string;
-  port: number;
-  key_algorithm: string;
-  host_key: string;
-  fingerprint: string;
-  current_revision: number;
-  created_at: string;
-  updated_at: string;
-  referenced_repositories: string[];
-}
 
 export const load: PageLoad = async ({ fetch, params }) => {
-  const base = `/api/w/${
-    encodeURIComponent(params.workspaceId)
-  }/settings/repository-access`;
-  const [credentialResult, hostTrustResult] = await Promise.all([
-    loadJson<RepositorySshCredential[]>(fetch, `${base}/credentials`),
-    loadJson<RepositorySshHostTrust[]>(fetch, `${base}/host-trusts`),
+  const workspaceId = params.workspaceId;
+  const accessProjection = await loadRepositoryAccessJson(
+    fetch,
+    workspaceApiPath(workspaceId, "/settings/repository-access"),
+    parseRepositoryAccessProjection,
+  );
+  const [credentials, hostTrusts] = await Promise.all([
+    loadRepositoryAccessJson(
+      fetch,
+      workspaceApiPath(workspaceId, "/settings/repository-access/credentials"),
+      parseRepositorySshCredentials,
+    ),
+    loadRepositoryAccessJson(
+      fetch,
+      workspaceApiPath(workspaceId, "/settings/repository-access/host-trusts"),
+      parseRepositorySshHostTrusts,
+    ),
   ]);
-  if (!credentialResult.data || !hostTrustResult.data) {
-    throw new Error(
-      credentialResult.error ?? hostTrustResult.error ??
-        "Repository access settings unavailable",
-    );
-  }
+
   return {
-    workspaceId: params.workspaceId,
-    credentials: credentialResult.data,
-    hostTrusts: hostTrustResult.data,
+    workspaceId,
+    credentials,
+    hostTrusts,
+    accessProjection,
   };
 };

web/workspace/src/routes/w/[workspaceId]/settings/runtimes/[runtimeId]/workdirs/+page.ts

@@ -1,6 +1,6 @@
 import { loadJson, workspaceApiPath } from "$lib/workspace/api/http";
+import { parseWorkingDirectoryListResponse } from "$lib/workspace/api/workdirs";
 import type {
-  BrowserWorkingDirectoryListResponse,
   ListResponse,
   Runtime,
   RuntimeCleanupPlanResponse,
@@ -14,12 +14,14 @@ export const load: PageLoad = async ({ fetch, params }) => {
       fetch,
       workspaceApiPath(params.workspaceId, "/runtimes"),
     ),
-    loadJson<BrowserWorkingDirectoryListResponse>(
+    loadJson(
       fetch,
       workspaceApiPath(
         params.workspaceId,
         `/runtimes/${encodeURIComponent(runtimeId)}/working-directories`,
       ),
+      undefined,
+      parseWorkingDirectoryListResponse,
     ),
     loadJson<RuntimeCleanupPlanResponse>(
       fetch,

web/workspace/src/routes/w/[workspaceId]/workers/new/+page.svelte

@@ -2,11 +2,14 @@
   import { goto } from '$app/navigation';
   import { untrack } from 'svelte';
   import { workspaceApiPath } from '$lib/workspace/api/http';
+  import {
+    parseWorkingDirectoryCreateResponse,
+    validateWorkingDirectoryCreateRequest,
+  } from '$lib/workspace/api/workdirs';
   import { formatCurrentWorkdirRevision } from '$lib/workspace/settings/workdir-revision';
   import { buildCreateWorkspaceWorkerRequest, defaultWorkerLaunchForm } from '$lib/workspace/sidebar/worker-launch';
   import type {
     BrowserCreateWorkerResponse,
-    BrowserWorkingDirectoryCreateResponse,
     Diagnostic,
     WorkerLaunchOptionsResponse,
     WorkingDirectorySummary,
@@ -160,22 +163,23 @@
     creatingWorkingDirectory = true;
     submitError = null;
     try {
+      const request = validateWorkingDirectoryCreateRequest({
+        runtime_id: runtimeId,
+        repository_id: workingDirectoryRepositoryId,
+        ...(workingDirectorySelector ? { selector: workingDirectorySelector } : {}),
+      });
       const response = await fetch(
         workerApiPath(`/runtimes/${encodeURIComponent(runtimeId)}/working-directories`), {
           method: 'POST',
           headers: { 'content-type': 'application/json' },
-          body: JSON.stringify({
-            runtime_id: runtimeId,
-            repository_id: workingDirectoryRepositoryId,
-            selector: workingDirectorySelector || null,
-          }),
+          body: JSON.stringify(request),
         },
       );
       if (!response.ok) {
         submitError = await responseDisplayError(response, 'workdir create failed');
         return;
       }
-      const payload = (await response.json()) as BrowserWorkingDirectoryCreateResponse;
+      const payload = parseWorkingDirectoryCreateResponse(await response.json());
       const items = options?.working_directories ?? [];
       options = options
         ? {

web/workspace/test/repository-access/api.test.ts

@@ -0,0 +1,133 @@
+import {
+  parseRepositoryAccessProjection,
+  parseRepositorySshCredentials,
+  parseRepositorySshHostTrusts,
+  RepositoryAccessSchemaError,
+} from "../../src/lib/workspace/api/repository-access.ts";
+
+function assertEquals(actual: unknown, expected: unknown): void {
+  if (JSON.stringify(actual) !== JSON.stringify(expected)) {
+    throw new Error(
+      `expected ${JSON.stringify(expected)}, got ${JSON.stringify(actual)}`,
+    );
+  }
+}
+
+function assertSchemaError(body: () => unknown, path: string): void {
+  try {
+    body();
+  } catch (error) {
+    if (!(error instanceof RepositoryAccessSchemaError)) {
+      throw error;
+    }
+    if (!error.message.includes(path)) {
+      throw new Error(
+        `expected schema error path ${path}, got ${error.message}`,
+      );
+    }
+    return;
+  }
+  throw new Error(`expected RepositoryAccessSchemaError for ${path}`);
+}
+
+const credential = {
+  credential_id: "deploy-key",
+  workspace_id: "workspace-1",
+  name: "Deploy key",
+  public_key_algorithm: "ssh-ed25519",
+  public_key_fingerprint: "SHA256:credential",
+  current_revision: 2,
+  status: "active",
+  created_at: "2026-09-01T00:00:00Z",
+  rotated_at: null,
+  referenced_repositories: ["main"],
+};
+
+const hostTrust = {
+  host_trust_id: "gitea",
+  workspace_id: "workspace-1",
+  hostname: "gitea.example.test",
+  port: 22,
+  key_algorithm: "ssh-ed25519",
+  host_key: "ssh-ed25519 AAAA",
+  fingerprint: "SHA256:host",
+  current_revision: 3,
+  created_at: "2026-09-01T00:00:00Z",
+  updated_at: "2026-09-02T00:00:00Z",
+  referenced_repositories: ["main"],
+};
+
+Deno.test("Repository Access parsers accept generated response contracts", () => {
+  assertEquals(parseRepositorySshCredentials([credential]), [credential]);
+  assertEquals(parseRepositorySshHostTrusts([hostTrust]), [hostTrust]);
+  assertEquals(
+    parseRepositoryAccessProjection({
+      workspace_id: "workspace-1",
+      config_revision: 4,
+      projection_digest: "sha256:projection",
+      bindings: [{
+        repository_id: "main",
+        credential_id: "deploy-key",
+        host_trust_id: "gitea",
+        access: "read_only",
+      }],
+    }),
+    {
+      workspace_id: "workspace-1",
+      config_revision: 4,
+      projection_digest: "sha256:projection",
+      bindings: [{
+        repository_id: "main",
+        credential_id: "deploy-key",
+        host_trust_id: "gitea",
+        access: "read_only",
+      }],
+    },
+  );
+});
+
+Deno.test("Repository Access parsers reject malformed list responses", () => {
+  assertSchemaError(
+    () => parseRepositorySshCredentials({ credentials: [credential] }),
+    "credentials",
+  );
+  assertSchemaError(
+    () => parseRepositorySshHostTrusts({ host_trusts: [hostTrust] }),
+    "host_trusts",
+  );
+});
+
+Deno.test("Repository Access parsers reject missing and wrong-typed fields", () => {
+  const { current_revision: _revision, ...missingRevision } = credential;
+  assertSchemaError(
+    () => parseRepositorySshCredentials([missingRevision]),
+    "credentials[0].current_revision",
+  );
+  assertSchemaError(
+    () => parseRepositorySshHostTrusts([{ ...hostTrust, port: "22" }]),
+    "host_trusts[0].port",
+  );
+  assertSchemaError(
+    () =>
+      parseRepositoryAccessProjection({
+        workspace_id: "workspace-1",
+        config_revision: 4,
+        projection_digest: "sha256:projection",
+        bindings: [{
+          repository_id: "main",
+          credential_id: "deploy-key",
+          host_trust_id: "gitea",
+          access: "admin",
+        }],
+      }),
+    "access_projection.bindings[0].access",
+  );
+});
+
+Deno.test("Repository Access parsers reject unknown response fields", () => {
+  assertSchemaError(
+    () =>
+      parseRepositorySshCredentials([{ ...credential, private_key: "secret" }]),
+    "credentials[0].private_key",
+  );
+});

web/workspace/test/repository-access/loader.test.ts

@@ -0,0 +1,114 @@
+import { loadRepositoryAccessJson } from "../../src/lib/workspace/api/repository-access-loader.ts";
+import { RepositoryAccessSchemaError } from "../../src/lib/workspace/api/repository-access.ts";
+
+type HttpFailure = { status?: number; body?: { message?: string } };
+
+async function captureHttpFailure(
+  run: () => Promise<unknown>,
+  expectedStatus: number,
+  expectedMessage: string,
+): Promise<HttpFailure> {
+  try {
+    await run();
+  } catch (error) {
+    const failure = error as HttpFailure;
+    if (failure.status !== expectedStatus) {
+      throw new Error(
+        `expected bounded ${expectedStatus}, got ${String(failure.status)}`,
+      );
+    }
+    if (failure.body?.message !== expectedMessage) {
+      throw new Error(
+        `unexpected bounded error: ${JSON.stringify(failure.body)}`,
+      );
+    }
+    return failure;
+  }
+  throw new Error(`expected bounded ${expectedStatus} error`);
+}
+
+for (const status of [401, 403]) {
+  Deno.test(`Repository Access loader maps ${status} to bounded permission unavailable`, async () => {
+    let requests = 0;
+    await captureHttpFailure(
+      () =>
+        loadRepositoryAccessJson(
+          () => {
+            requests += 1;
+            return Promise.resolve(new Response(null, { status }));
+          },
+          "/api/w/workspace-1/settings/repository-access",
+          (value) => value,
+        ),
+      403,
+      "Repository Access is unavailable for this account.",
+    );
+    if (requests !== 1) {
+      throw new Error(`expected one bounded request, got ${requests}`);
+    }
+  });
+}
+
+Deno.test("Repository Access loader maps invalid JSON to safe bounded 502", async () => {
+  const upstreamSecret = "private-key-must-not-leak";
+  const failure = await captureHttpFailure(
+    () =>
+      loadRepositoryAccessJson(
+        () =>
+          Promise.resolve(
+            new Response(upstreamSecret, {
+              status: 200,
+              headers: { "content-type": "application/json" },
+            }),
+          ),
+        "/api/w/workspace-1/settings/repository-access/credentials",
+        (value) => value,
+      ),
+    502,
+    "Repository Access returned an invalid JSON response.",
+  );
+  if (JSON.stringify(failure.body).includes(upstreamSecret)) {
+    throw new Error("invalid JSON error exposed upstream response content");
+  }
+});
+
+Deno.test("Repository Access loader maps schema mismatch to explicit bounded 502", async () => {
+  const failure = await captureHttpFailure(
+    () =>
+      loadRepositoryAccessJson(
+        () => Promise.resolve(Response.json({ stale: true })),
+        "/api/w/workspace-1/settings/repository-access/credentials",
+        () => {
+          throw new RepositoryAccessSchemaError("credentials", "an array");
+        },
+      ),
+    502,
+    "Repository Access response schema mismatch at credentials: expected an array",
+  );
+  if (!failure.body?.message?.includes("credentials")) {
+    throw new Error("schema mismatch error omitted the failing response path");
+  }
+});
+
+Deno.test("Repository Access loader never exposes failed upstream response bodies", async () => {
+  const upstreamSecret = "secret-ref-must-not-leak";
+  const failure = await captureHttpFailure(
+    () =>
+      loadRepositoryAccessJson(
+        () =>
+          Promise.resolve(
+            Response.json(
+              { message: upstreamSecret, secret_ref: upstreamSecret },
+              { status: 500 },
+            ),
+          ),
+        "/api/w/workspace-1/settings/repository-access/host-trusts",
+        (value) => value,
+      ),
+    502,
+    "Repository Access request failed with status 500.",
+  );
+  if (JSON.stringify(failure.body).includes(upstreamSecret)) {
+    throw new Error("bounded upstream error exposed response content");
+  }
+});

web/workspace/test/repository-access/ui.test.ts

@@ -13,6 +13,58 @@ const source = await Deno.readTextFile(
     import.meta.url,
   ),
 );
+const loaderSource = await Deno.readTextFile(
+  new URL(
+    "../../src/routes/w/[workspaceId]/settings/repository-access/+page.ts",
+    import.meta.url,
+  ),
+);
+
+test("Repository Access Web code consumes workspace-api generated DTOs", () => {
+  assert(
+    source.includes("$lib/generated/repository-access-api"),
+    "mutation code should import generated request and response contracts",
+  );
+  assert(
+    loaderSource.includes("parseRepositorySshCredentials") &&
+      loaderSource.includes("parseRepositorySshHostTrusts") &&
+      loaderSource.includes("parseRepositoryAccessProjection"),
+    "loader should validate unknown JSON before exposing generated DTOs to Svelte",
+  );
+  assert(
+    loaderSource.indexOf('"/settings/repository-access"') <
+      loaderSource.indexOf("Promise.all"),
+    "loader should check Repository Access permission before starting list preloads",
+  );
+  for (
+    const duplicate of [
+      "interface RepositorySshCredential",
+      "interface RepositorySshHostTrust",
+      "interface RepositoryAccessProjection",
+    ]
+  ) {
+    assert(
+      !loaderSource.includes(duplicate) && !source.includes(duplicate),
+      `Web code must not redeclare ${duplicate}`,
+    );
+  }
+});
+
+test("Repository Access renders the shared access projection fields", () => {
+  for (
+    const field of [
+      "accessProjection.config_revision",
+      "accessProjection.projection_digest",
+      "accessProjection.bindings",
+      "binding.repository_id",
+      "binding.credential_id",
+      "binding.host_trust_id",
+      "binding.access",
+    ]
+  ) {
+    assert(source.includes(field), `missing access projection field ${field}`);
+  }
+});
 
 test("Repository credential submissions clear write-only fields in finally blocks", () => {
   const createStart = source.indexOf("async function createCredential()");

web/workspace/tests/workdir-api.test.ts

@@ -0,0 +1,89 @@
+declare const Deno: {
+  test(name: string, fn: () => void | Promise<void>): void;
+};
+
+import {
+  parseWorkingDirectoryCreateResponse,
+  parseWorkingDirectoryListResponse,
+  validateWorkingDirectoryCreateRequest,
+} from "../src/lib/workspace/api/workdirs.ts";
+
+const summary = {
+  working_directory_id: "workdir-1",
+  repository_id: "main",
+  materializer_kind: "runtime_git_cache",
+  status: "active",
+  occupied_by: {
+    runtime_id: "arcadia",
+    worker_id: "worker-1",
+    display_name: "Coder",
+    linked_at: "2026-01-01T00:00:00Z",
+  },
+};
+
+Deno.test("Workdir REST validation accepts the generated list and create contracts", () => {
+  const list = parseWorkingDirectoryListResponse({
+    workspace_id: "workspace-a",
+    items: [summary],
+    diagnostics: [],
+  });
+  if (list.items[0]?.occupied_by?.runtime_id !== "arcadia") {
+    throw new Error("occupancy subject was not preserved");
+  }
+
+  const created = parseWorkingDirectoryCreateResponse({
+    workspace_id: "workspace-a",
+    runtime_id: "arcadia",
+    item: summary,
+    diagnostics: [],
+  });
+  if (created.runtime_id !== "arcadia") {
+    throw new Error("create Runtime was not preserved");
+  }
+});
+
+Deno.test("Workdir REST validation rejects stale response JSON", () => {
+  let rejected = false;
+  try {
+    parseWorkingDirectoryListResponse({
+      workspace_id: "workspace-a",
+      items: [summary],
+      diagnostics: [],
+      source: "legacy-runtime",
+    });
+  } catch {
+    rejected = true;
+  }
+  if (!rejected) throw new Error("stale response field was accepted");
+});
+
+Deno.test("Workdir REST validation enforces create operation fields", () => {
+  const request = validateWorkingDirectoryCreateRequest({
+    runtime_id: "arcadia",
+    repository_id: "main",
+    selector: "develop",
+    operation_id: "operation-1",
+  });
+  if (request.operation_id !== "operation-1") {
+    throw new Error("operation id was not preserved");
+  }
+
+  for (
+    const invalid of [
+      { runtime_id: "arcadia", operation_id: "operation-1" },
+      { repository_id: "main", operation_key: "operation-1" },
+    ]
+  ) {
+    let rejected = false;
+    try {
+      validateWorkingDirectoryCreateRequest(invalid);
+    } catch {
+      rejected = true;
+    }
+    if (!rejected) {
+      throw new Error(
+        `invalid request was accepted: ${JSON.stringify(invalid)}`,
+      );
+    }
+  }
+});