feat: define workspace evidence descriptor contract

This commit is contained in:
2026-08-09 18:18:10 +02:00
parent be13231d3d
commit 2966750b13
5 changed files with 516 additions and 94 deletions
+199 -1
View File
@@ -104,7 +104,52 @@ interface QdrantVectorStore {
distance: "cosine";
}
export interface WorkspaceV3 extends WorkspaceBase<3, QdrantVectorStore> {}
export interface EvidencePolicy {
max_chunk_chars: number;
retain_published_generations: number;
}
export type EvidenceSource =
| {
type: "filesystem";
uri: string;
patterns: string[];
max_bytes: number;
}
| {
type: "http";
uris: string[];
authentication: "none" | "signed_urls_file";
connect_timeout_ms: number;
read_timeout_ms: number;
max_bytes: number;
max_redirects: number;
allow_private_hosts: boolean;
max_cache_bytes: number;
}
| {
type: "s3";
uri: string;
endpoint_url?: string;
region?: string;
credentials: "ambient" | "static_files";
trusted_endpoint: boolean;
allow_private_endpoint: boolean;
allow_insecure_endpoint: boolean;
max_bytes: number;
max_objects: number;
max_pages: number;
page_size: number;
};
export interface WorkspaceEvidence {
source: EvidenceSource;
policy: EvidencePolicy;
}
export interface WorkspaceV3 extends WorkspaceBase<3, QdrantVectorStore> {
evidence?: WorkspaceEvidence;
}
export interface WorkspaceV2 extends WorkspaceBase<2, VectorStore & { database: string; schema: string }> {}
/** A readable, non-operational v1 descriptor. It must be explicitly migrated before use. */
@@ -218,6 +263,147 @@ const llmPolicySchema = z.object({
allowed: z.array(modelReference).min(1),
}).strict();
const positiveSafeInteger = z.number().int().safe().positive();
const nonnegativeSafeInteger = z.number().int().safe().nonnegative();
function isSafeEvidencePattern(value: string): boolean {
const parts = value.split("/");
return value.length > 0
&& !value.startsWith("/")
&& !value.includes("\\")
&& !/[\u0000-\u001f\u007f]/u.test(value)
&& parts.every((part) => part !== "" && part !== "." && part !== "..");
}
function parsePublicHttpUri(value: string): URL | undefined {
try {
const parsed = new URL(value);
if (
!["http:", "https:"].includes(parsed.protocol)
|| parsed.hostname.length === 0
|| parsed.username !== ""
|| parsed.password !== ""
|| parsed.search !== ""
|| parsed.hash !== ""
) return undefined;
return parsed;
} catch {
return undefined;
}
}
function canonicalPublicHttpUri(value: string): string | undefined {
return parsePublicHttpUri(value)?.href;
}
function isSafeS3Uri(value: string): boolean {
try {
const parsed = new URL(value);
return parsed.protocol === "s3:"
&& parsed.hostname.length > 0
&& parsed.username === ""
&& parsed.password === ""
&& parsed.search === ""
&& parsed.hash === "";
} catch {
return false;
}
}
function isSafeS3Endpoint(value: string): boolean {
const parsed = parsePublicHttpUri(value);
return parsed !== undefined && (parsed.pathname === "/" || parsed.pathname === "");
}
const evidencePattern = z.string().refine(isSafeEvidencePattern, {
message: "evidence patterns must be normalized relative globs",
});
const filesystemEvidenceSourceSchema = z.object({
type: z.literal("filesystem"),
uri: z.string(),
patterns: z.array(evidencePattern).min(1).default(["**/*.md"]),
max_bytes: positiveSafeInteger.default(10 * 1024 * 1024),
}).strict().superRefine((source, context) => {
if (new Set(source.patterns).size !== source.patterns.length) {
context.addIssue({ code: "custom", path: ["patterns"], message: "evidence patterns must not repeat" });
}
});
const httpEvidenceUri = z.string().refine((value) => parsePublicHttpUri(value) !== undefined, {
message: "HTTP evidence URIs must be public http(s) identities without credentials, query, or fragment",
});
const httpEvidenceSourceSchema = z.object({
type: z.literal("http"),
uris: z.array(httpEvidenceUri).min(1),
authentication: z.enum(["none", "signed_urls_file"]).default("none"),
connect_timeout_ms: positiveSafeInteger.default(5_000),
read_timeout_ms: positiveSafeInteger.default(30_000),
max_bytes: positiveSafeInteger.default(10 * 1024 * 1024),
max_redirects: nonnegativeSafeInteger.default(5),
allow_private_hosts: z.boolean().default(false),
max_cache_bytes: positiveSafeInteger.default(64 * 1024 * 1024),
}).strict().superRefine((source, context) => {
const canonical = source.uris.map(canonicalPublicHttpUri);
if (new Set(canonical).size !== canonical.length) {
context.addIssue({ code: "custom", path: ["uris"], message: "HTTP evidence URIs must not repeat" });
}
});
const s3EvidenceSourceSchema = z.object({
type: z.literal("s3"),
uri: z.string().refine(isSafeS3Uri, {
message: "S3 evidence URI must use s3:// without credentials, query, or fragment",
}),
endpoint_url: z.string().refine(isSafeS3Endpoint, {
message: "S3 endpoint must be an origin-only http(s) URL without credentials",
}).optional(),
region: z.string().trim().min(1).optional(),
credentials: z.enum(["ambient", "static_files"]).default("ambient"),
trusted_endpoint: z.boolean().default(false),
allow_private_endpoint: z.boolean().default(false),
allow_insecure_endpoint: z.boolean().default(false),
max_bytes: positiveSafeInteger.default(10 * 1024 * 1024),
max_objects: positiveSafeInteger.default(10_000),
max_pages: positiveSafeInteger.default(100),
page_size: positiveSafeInteger.max(1_000).default(1_000),
}).strict().superRefine((source, context) => {
if (source.endpoint_url === undefined) {
if (source.trusted_endpoint || source.allow_private_endpoint || source.allow_insecure_endpoint) {
context.addIssue({
code: "custom", path: ["endpoint_url"],
message: "S3 endpoint policy requires endpoint_url",
});
}
return;
}
if (!source.trusted_endpoint) {
context.addIssue({
code: "custom", path: ["trusted_endpoint"],
message: "custom S3 endpoints must be explicitly trusted",
});
}
if (source.endpoint_url.startsWith("http:") && !source.allow_insecure_endpoint) {
context.addIssue({
code: "custom", path: ["allow_insecure_endpoint"],
message: "HTTP S3 endpoints require an explicit insecure opt-in",
});
}
});
const evidenceSourceSchema = z.discriminatedUnion("type", [
filesystemEvidenceSourceSchema,
httpEvidenceSourceSchema,
s3EvidenceSourceSchema,
]);
const evidencePolicySchema = z.object({
max_chunk_chars: positiveSafeInteger.default(4_000),
retain_published_generations: positiveSafeInteger.default(3),
}).strict();
const workspaceEvidenceSchema = z.object({
source: evidenceSourceSchema,
policy: evidencePolicySchema.default({
max_chunk_chars: 4_000,
retain_published_generations: 3,
}),
}).strict();
function unique<T>(values: readonly T[], context: z.RefinementCtx, path: PropertyKey[]) {
if (new Set(values).size !== values.length) {
context.addIssue({ code: "custom", path, message: "supported transports must not repeat" });
@@ -235,6 +421,17 @@ function workspaceInvariants(workspace: any, context: z.RefinementCtx): void {
}
unique(workspace.llm_policy.allowed, context, ["llm_policy", "allowed"]);
if (workspace.evidence?.source.type === "filesystem") {
const expected = `workspace-content/${workspace.workspace.id}/evidence`;
if (workspace.evidence.source.uri !== expected) {
context.addIssue({
code: "custom",
path: ["evidence", "source", "uri"],
message: "filesystem evidence URI must be the canonical workspace Evidence root",
});
}
}
if (workspace.semantic_index.vector_store.dimensions !== workspace.semantic_index.embedding.dimensions) {
context.addIssue({
code: "custom",
@@ -303,6 +500,7 @@ const WorkspaceV2Schema = z.object({
const WorkspaceV3Schema = z.object({
dwh: dwhSchema,
llm_policy: llmPolicySchema,
evidence: workspaceEvidenceSchema.optional(),
diagnostics: z.object({
dwh_rest: dwhRestDiagnostic.optional(),
}).strict().optional(),