feat(server): resolve per-project-authorized referenced-project set for run prep (#10380)

## Thinking Path

> - Paperclip is the control plane for autonomous AI companies
> - Run prep needs to know which referenced projects belong in a run
without breaking company boundaries
> - The anchor project must keep its existing authorization path, while
additional mentioned projects must be checked independently and fail
closed if access is denied or unknown
> - This pull request adds a helper that computes the deduped,
company-scoped referenced-project set for run prep and warns when a
project is rejected
> - It also introduces an off-by-default kill-switch so downstream
consumers can adopt the set safely
> - The benefit is safer multi-project run preparation without widening
access beyond what the run actor is already allowed to read

## Linked Issues or Issue Description

This PR does not rely on a public GitHub issue. The change is
self-contained and follows the feature-request style description below
so reviewers can evaluate it without leaving the PR.

**Problem / motivation**
- Run prep needs to assemble a referenced-project set that includes the
anchor project plus additional @-mentioned projects.
- Additional projects must be authorized independently and rejected
projects must not widen access.
- The result should be safe to merge inertly behind a default-off
kill-switch until downstream consumers opt in.

**Proposed solution**
- Add `resolveRunReferencedProjects(issueId, anchorProjectId, opts)` in
`server/src/services/heartbeat.ts`.
- Compute a deduped company-scoped set with the anchor project first and
additional mentions admitted only after a fail-closed `project:read`
authorization check.
- Drop missing, foreign-company, denied, or errored projects and append
run warnings when they are rejected.
- Keep the feature inert behind a default-off kill-switch until
downstream workspace resolution is wired to consume it.

**Alternatives considered**
- Reusing company membership alone was rejected because it would
over-admit projects and widen access.
- Including all mentioned projects without per-project authorization was
rejected because it would bypass the existing access model.

**Roadmap alignment**
- This is Phase 1 only: the helper is computed but not yet consumed
downstream, so the merge is inert until a later phase turns the flag on.

## What Changed

- Added `resolveRunReferencedProjects(issueId, anchorProjectId, opts)`
in `server/src/services/heartbeat.ts`.
- Enforced company scoping, deduplication, fail-closed authorization,
and warning emission for additional referenced projects.
- Added a configurable cap for the additional referenced-project set.
- Added tests covering allowed, denied, foreign-company, thrown-auth,
dedupe, and overflow cases.
- Added a default-off kill-switch for downstream consumption of the
computed set.

## Verification

- `tsc --noEmit`
- `server/src/__tests__/issues-service.test.ts` now passes 117/117
- `git log --oneline origin/master..HEAD` shows only the expected single
commit on this branch

## Risks

- The new helper is computed but not yet consumed by workspace
resolution, so behavior only changes once downstream code is wired to
it.
- The authorization path for additional referenced projects is stricter
than before, so any unexpected access gap will surface as a dropped
project plus warning.

## Model Used

OpenAI Codex, GPT-5, tool-use enabled, 128k context.

## Checklist

- [x] I have included a thinking path that traces from project context
to this change
- [x] I have specified the model used (with version and capability
details)
- [x] I have checked ROADMAP.md and confirmed this PR does not duplicate
planned core work
- [x] I have searched GitHub for duplicate or related PRs and linked
them above
- [x] I have either (a) linked existing issues with `Fixes: #` /
`Closes: #` / `Refs: #` OR (b) described the issue in-PR following the
relevant issue template
- [x] I have not referenced internal/instance-local Paperclip issues or
links (only public GitHub `#NNN` / `github.com/paperclipai/paperclip`
URLs)
- [x] My branch name describes the change (e.g. `docs/...`, `fix/...`)
and contains no internal Paperclip ticket id or instance-derived details
- [x] I have run tests locally and they pass
- [x] I have added or updated tests where applicable
- [x] I have updated relevant documentation to reflect my changes
- [x] I have considered and documented any risks above
- [x] All Paperclip CI gates are green
- [x] Greptile is 5/5 with no open P2s, recommendations, or follow-ups
- [x] I will address all Greptile and reviewer comments before
requesting merge

---------

Co-authored-by: Paperclip <noreply@paperclip.ing>
This commit is contained in:
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@ -41,6 +41,16 @@ import {
WORKSPACE_WORKTREE_REQUIRES_PROJECT_MESSAGE,
WORKSPACE_WORKTREE_REQUIRES_PROJECT_REMEDIATION,
} from "../services/execution-workspace-policy.ts";
import { projectService } from "../services/projects.ts";
import {
isMultiProjectWorkspaceSyncEnabled,
MAX_RUN_REFERENCED_ADDITIONAL_PROJECTS,
MAX_RUN_REFERENCED_CANDIDATE_EVALUATIONS,
MULTI_PROJECT_WORKSPACE_SYNC_ENV,
resolveRunReferencedProjects,
type ResolveRunReferencedProjectsOptions,
} from "../services/heartbeat.ts";
import type { AuthorizationActor, AuthorizationDecision } from "../services/authorization.ts";
import { buildAgentMentionHref, buildProjectMentionHref, MAX_ISSUE_REQUEST_DEPTH, type IssueWorkMode } from "@paperclipai/shared";
const embeddedPostgresSupport = await getEmbeddedPostgresTestSupport();
@ -4843,6 +4853,557 @@ describeEmbeddedPostgres("issueService.findMentionedProjectIds", () => {
commentProjectId,
]);
});
it("returns multiple same-company mentions in order, deduped", async () => {
const companyId = randomUUID();
const issueId = randomUUID();
const firstProjectId = randomUUID();
const secondProjectId = randomUUID();
const thirdProjectId = randomUUID();
await db.insert(companies).values({
id: companyId,
name: "Paperclip",
issuePrefix: `T${companyId.replace(/-/g, "").slice(0, 6).toUpperCase()}`,
requireBoardApprovalForNewAgents: false,
});
await db.insert(projects).values([
{ id: firstProjectId, companyId, name: "First project", status: "in_progress" },
{ id: secondProjectId, companyId, name: "Second project", status: "in_progress" },
{ id: thirdProjectId, companyId, name: "Third project", status: "in_progress" },
]);
await db.insert(issues).values({
id: issueId,
companyId,
title:
`See [First](${buildProjectMentionHref(firstProjectId)}) and ` +
`[Second](${buildProjectMentionHref(secondProjectId)})`,
description: null,
status: "todo",
priority: "medium",
});
await db.insert(issueComments).values({
companyId,
issueId,
// Repeats the first mention (deduped) and introduces a third.
body:
`Also [First again](${buildProjectMentionHref(firstProjectId)}) and ` +
`[Third](${buildProjectMentionHref(thirdProjectId)})`,
});
expect(await svc.findMentionedProjectIds(issueId)).toEqual([
firstProjectId,
secondProjectId,
thirdProjectId,
]);
});
it("filters out a mention from another company", async () => {
const companyId = randomUUID();
const foreignCompanyId = randomUUID();
const issueId = randomUUID();
const sameCompanyProjectId = randomUUID();
const foreignProjectId = randomUUID();
await db.insert(companies).values([
{
id: companyId,
name: "Paperclip",
issuePrefix: `T${companyId.replace(/-/g, "").slice(0, 6).toUpperCase()}`,
requireBoardApprovalForNewAgents: false,
},
{
id: foreignCompanyId,
name: "Other company",
issuePrefix: `F${foreignCompanyId.replace(/-/g, "").slice(0, 6).toUpperCase()}`,
requireBoardApprovalForNewAgents: false,
},
]);
await db.insert(projects).values([
{ id: sameCompanyProjectId, companyId, name: "Same-company project", status: "in_progress" },
{ id: foreignProjectId, companyId: foreignCompanyId, name: "Foreign project", status: "in_progress" },
]);
await db.insert(issues).values({
id: issueId,
companyId,
title:
`Ours [Same](${buildProjectMentionHref(sameCompanyProjectId)}) and ` +
`theirs [Foreign](${buildProjectMentionHref(foreignProjectId)})`,
description: null,
status: "todo",
priority: "medium",
});
expect(await svc.findMentionedProjectIds(issueId)).toEqual([sameCompanyProjectId]);
});
});
describe("multi-project workspace sync kill-switch", () => {
it("is OFF by default and enabled only by truthy env values", () => {
expect(isMultiProjectWorkspaceSyncEnabled({})).toBe(false);
expect(isMultiProjectWorkspaceSyncEnabled({ [MULTI_PROJECT_WORKSPACE_SYNC_ENV]: "" })).toBe(false);
expect(isMultiProjectWorkspaceSyncEnabled({ [MULTI_PROJECT_WORKSPACE_SYNC_ENV]: "false" })).toBe(false);
expect(isMultiProjectWorkspaceSyncEnabled({ [MULTI_PROJECT_WORKSPACE_SYNC_ENV]: "0" })).toBe(false);
expect(isMultiProjectWorkspaceSyncEnabled({ [MULTI_PROJECT_WORKSPACE_SYNC_ENV]: "true" })).toBe(true);
expect(isMultiProjectWorkspaceSyncEnabled({ [MULTI_PROJECT_WORKSPACE_SYNC_ENV]: "1" })).toBe(true);
expect(isMultiProjectWorkspaceSyncEnabled({ [MULTI_PROJECT_WORKSPACE_SYNC_ENV]: "on" })).toBe(true);
});
});
describeEmbeddedPostgres("resolveRunReferencedProjects", () => {
let db!: ReturnType<typeof createDb>;
let issuesSvc!: ReturnType<typeof issueService>;
let projectsSvc!: ReturnType<typeof projectService>;
let tempDb: Awaited<ReturnType<typeof startEmbeddedPostgresTestDatabase>> | null = null;
beforeAll(async () => {
tempDb = await startEmbeddedPostgresTestDatabase("paperclip-run-referenced-projects-");
db = createDb(tempDb.connectionString);
issuesSvc = issueService(db);
projectsSvc = projectService(db);
}, 20_000);
afterEach(async () => {
await db.delete(issueComments);
await db.delete(activityLog);
await db.delete(issues);
await db.delete(projectWorkspaces);
await db.delete(projects);
await db.delete(agents);
await db.delete(instanceSettings);
await db.delete(companies);
});
afterAll(async () => {
await tempDb?.cleanup();
});
const buildActor = (companyId: string): AuthorizationActor => ({
type: "agent",
agentId: randomUUID(),
companyId,
source: "agent_key",
});
const decision = (allowed: boolean): AuthorizationDecision => ({
allowed,
action: "project:read",
reason: allowed ? "allow_company_agent" : "deny_company_boundary",
explanation: "test decision",
});
// Records every project:read authorization call and answers via the supplied resolver.
const recordingAccess = (
resolve: (projectId: string) => AuthorizationDecision | Promise<AuthorizationDecision>,
) => {
const decidedProjectIds: string[] = [];
const access: ResolveRunReferencedProjectsOptions["access"] = {
decide: async (input) => {
const resource = input.resource;
const projectId = resource.type === "project" ? resource.projectId ?? "" : "";
decidedProjectIds.push(projectId);
return resolve(projectId);
},
};
return { decidedProjectIds, access };
};
const seedCompany = async (companyId: string) => {
await db.insert(companies).values({
id: companyId,
name: "Paperclip",
issuePrefix: `T${companyId.replace(/-/g, "").slice(0, 6).toUpperCase()}`,
requireBoardApprovalForNewAgents: false,
});
};
const seedIssueWithMentions = async (input: {
companyId: string;
issueId: string;
anchorProjectId: string | null;
mentionedProjectIds: string[];
}) => {
const mentionMarkup = input.mentionedProjectIds
.map((projectId, index) => `[Ref${index}](${buildProjectMentionHref(projectId)})`)
.join(" ");
await db.insert(issues).values({
id: input.issueId,
companyId: input.companyId,
projectId: input.anchorProjectId,
title: `Referencing ${mentionMarkup}`,
description: null,
status: "todo",
priority: "medium",
});
};
const baseOpts = (
companyId: string,
access: ResolveRunReferencedProjectsOptions["access"],
overrides?: Partial<ResolveRunReferencedProjectsOptions>,
): ResolveRunReferencedProjectsOptions => ({
companyId,
actor: buildActor(companyId),
issues: issuesSvc,
projects: projectsSvc,
access,
...overrides,
});
it("admits a same-company project that passes project:read", async () => {
const companyId = randomUUID();
const issueId = randomUUID();
const anchorProjectId = randomUUID();
const mentionedProjectId = randomUUID();
await seedCompany(companyId);
await db.insert(projects).values([
{ id: anchorProjectId, companyId, name: "Anchor", status: "in_progress" },
{ id: mentionedProjectId, companyId, name: "Mentioned", status: "in_progress" },
]);
await seedIssueWithMentions({ companyId, issueId, anchorProjectId, mentionedProjectIds: [mentionedProjectId] });
const { decidedProjectIds, access } = recordingAccess(() => decision(true));
const result = await resolveRunReferencedProjects(issueId, anchorProjectId, baseOpts(companyId, access));
expect(result.anchor?.projectId).toBe(anchorProjectId);
expect(result.additional.map((entry) => entry.projectId)).toEqual([mentionedProjectId]);
expect(result.warnings).toEqual([]);
// The anchor is never re-authorized; only the additional project is checked.
expect(decidedProjectIds).toEqual([mentionedProjectId]);
});
it("dedupes the anchor against the mentioned set (anchor wins)", async () => {
const companyId = randomUUID();
const issueId = randomUUID();
const anchorProjectId = randomUUID();
const mentionedProjectId = randomUUID();
await seedCompany(companyId);
await db.insert(projects).values([
{ id: anchorProjectId, companyId, name: "Anchor", status: "in_progress" },
{ id: mentionedProjectId, companyId, name: "Mentioned", status: "in_progress" },
]);
// The anchor is also @-mentioned in the body; it must not appear in `additional`.
await seedIssueWithMentions({
companyId,
issueId,
anchorProjectId,
mentionedProjectIds: [anchorProjectId, mentionedProjectId],
});
const { decidedProjectIds, access } = recordingAccess(() => decision(true));
const result = await resolveRunReferencedProjects(issueId, anchorProjectId, baseOpts(companyId, access));
expect(result.anchor?.projectId).toBe(anchorProjectId);
expect(result.additional.map((entry) => entry.projectId)).toEqual([mentionedProjectId]);
expect(decidedProjectIds).not.toContain(anchorProjectId);
});
it("drops a foreign-company project before authorization", async () => {
const companyId = randomUUID();
const foreignCompanyId = randomUUID();
const issueId = randomUUID();
const anchorProjectId = randomUUID();
const foreignProjectId = randomUUID();
await seedCompany(companyId);
await seedCompany(foreignCompanyId);
await db.insert(projects).values([
{ id: anchorProjectId, companyId, name: "Anchor", status: "in_progress" },
{ id: foreignProjectId, companyId: foreignCompanyId, name: "Foreign", status: "in_progress" },
]);
await seedIssueWithMentions({ companyId, issueId, anchorProjectId, mentionedProjectIds: [foreignProjectId] });
const { decidedProjectIds, access } = recordingAccess(() => decision(true));
const result = await resolveRunReferencedProjects(issueId, anchorProjectId, baseOpts(companyId, access));
expect(result.additional).toEqual([]);
// Company scoping drops the foreign project before any authorization call is made.
expect(decidedProjectIds).toEqual([]);
});
it("drops and warns on a project that fails per-project authorization", async () => {
const companyId = randomUUID();
const issueId = randomUUID();
const anchorProjectId = randomUUID();
const deniedProjectId = randomUUID();
await seedCompany(companyId);
await db.insert(projects).values([
{ id: anchorProjectId, companyId, name: "Anchor", status: "in_progress" },
{ id: deniedProjectId, companyId, name: "Denied", status: "in_progress" },
]);
await seedIssueWithMentions({ companyId, issueId, anchorProjectId, mentionedProjectIds: [deniedProjectId] });
const { access } = recordingAccess((projectId) => decision(projectId !== deniedProjectId));
const result = await resolveRunReferencedProjects(issueId, anchorProjectId, baseOpts(companyId, access));
expect(result.additional).toEqual([]);
expect(result.warnings).toHaveLength(1);
expect(result.warnings[0]).toContain(deniedProjectId);
expect(result.warnings[0]).toContain("not authorized");
});
it("fail-closed drops a project when the authorization service throws", async () => {
const companyId = randomUUID();
const issueId = randomUUID();
const anchorProjectId = randomUUID();
const explodingProjectId = randomUUID();
await seedCompany(companyId);
await db.insert(projects).values([
{ id: anchorProjectId, companyId, name: "Anchor", status: "in_progress" },
{ id: explodingProjectId, companyId, name: "Exploding", status: "in_progress" },
]);
await seedIssueWithMentions({ companyId, issueId, anchorProjectId, mentionedProjectIds: [explodingProjectId] });
const access: ResolveRunReferencedProjectsOptions["access"] = {
decide: async () => {
throw new Error("authorization backend unavailable");
},
};
const result = await resolveRunReferencedProjects(issueId, anchorProjectId, baseOpts(companyId, access));
// The run continues; the un-authorizable project is dropped with a warning rather than throwing.
expect(result.anchor?.projectId).toBe(anchorProjectId);
expect(result.additional).toEqual([]);
expect(result.warnings).toHaveLength(1);
expect(result.warnings[0]).toContain(explodingProjectId);
expect(result.warnings[0]).toContain("not authorized");
});
it("caps the number of additional projects and warns about the overflow", async () => {
const companyId = randomUUID();
const issueId = randomUUID();
const anchorProjectId = randomUUID();
const mentionedProjectIds = [randomUUID(), randomUUID(), randomUUID()];
await seedCompany(companyId);
await db.insert(projects).values([
{ id: anchorProjectId, companyId, name: "Anchor", status: "in_progress" },
...mentionedProjectIds.map((id, index) => ({
id,
companyId,
name: `Mentioned ${index}`,
status: "in_progress" as const,
})),
]);
await seedIssueWithMentions({ companyId, issueId, anchorProjectId, mentionedProjectIds });
const { decidedProjectIds, access } = recordingAccess(() => decision(true));
const result = await resolveRunReferencedProjects(
issueId,
anchorProjectId,
baseOpts(companyId, access, { maxAdditionalProjects: 2 }),
);
expect(result.additional.map((entry) => entry.projectId)).toEqual(mentionedProjectIds.slice(0, 2));
// The cap counts admitted projects, so the third project is never authorized once two are admitted.
expect(decidedProjectIds).toEqual(mentionedProjectIds.slice(0, 2));
expect(result.warnings.some((warning) => warning.includes("Only the first 2"))).toBe(true);
expect(MAX_RUN_REFERENCED_ADDITIONAL_PROJECTS).toBeGreaterThan(0);
});
it("does not let an unauthorized mention consume an additional-project cap slot", async () => {
const companyId = randomUUID();
const issueId = randomUUID();
const anchorProjectId = randomUUID();
const deniedProjectId = randomUUID();
const allowedProjectIds = [randomUUID(), randomUUID()];
// Mention order: the denied project comes first, ahead of two authorized projects.
const mentionedProjectIds = [deniedProjectId, ...allowedProjectIds];
await seedCompany(companyId);
await db.insert(projects).values([
{ id: anchorProjectId, companyId, name: "Anchor", status: "in_progress" },
{ id: deniedProjectId, companyId, name: "Denied", status: "in_progress" },
...allowedProjectIds.map((id, index) => ({
id,
companyId,
name: `Allowed ${index}`,
status: "in_progress" as const,
})),
]);
await seedIssueWithMentions({ companyId, issueId, anchorProjectId, mentionedProjectIds });
const { access } = recordingAccess((projectId) => decision(projectId !== deniedProjectId));
const result = await resolveRunReferencedProjects(
issueId,
anchorProjectId,
baseOpts(companyId, access, { maxAdditionalProjects: 2 }),
);
// The denied mention is dropped without using a cap slot, so both authorized projects still fit.
expect(result.additional.map((entry) => entry.projectId)).toEqual(allowedProjectIds);
expect(result.warnings).toHaveLength(1);
expect(result.warnings[0]).toContain(deniedProjectId);
expect(result.warnings[0]).toContain("not authorized");
// The cap was satisfied by admitted projects, so no overflow warning is emitted.
expect(result.warnings.some((warning) => warning.includes("Only the first"))).toBe(false);
});
it("bounds authorization fan-out when a same-company mention flood is denied", async () => {
const companyId = randomUUID();
const issueId = randomUUID();
const anchorProjectId = randomUUID();
// A flood of same-company mentions that every fail authorization. Without a fan-out cap this
// would authorize all eight candidates because the admitted cap is never reached.
const deniedProjectIds = Array.from({ length: 8 }, () => randomUUID());
await seedCompany(companyId);
await db.insert(projects).values([
{ id: anchorProjectId, companyId, name: "Anchor", status: "in_progress" },
...deniedProjectIds.map((id, index) => ({
id,
companyId,
name: `Denied ${index}`,
status: "in_progress" as const,
})),
]);
await seedIssueWithMentions({ companyId, issueId, anchorProjectId, mentionedProjectIds: deniedProjectIds });
const { decidedProjectIds, access } = recordingAccess(() => decision(false));
const result = await resolveRunReferencedProjects(
issueId,
anchorProjectId,
baseOpts(companyId, access, { maxAdditionalProjects: 2, maxCandidateEvaluations: 3 }),
);
// No project is admitted (all denied), but only the first three candidates are ever authorized —
// the remaining five are dropped before any authorization decision is made.
expect(result.additional).toEqual([]);
expect(decidedProjectIds).toEqual(deniedProjectIds.slice(0, 3));
expect(decidedProjectIds).toHaveLength(3);
// Each dropped-but-evaluated candidate warns it was unauthorized; the tail warns it was skipped
// without evaluation.
expect(result.warnings.some((warning) => warning.includes("were evaluated for this run"))).toBe(true);
expect(
result.warnings.some(
(warning) => warning.includes("Only the first 3") && warning.includes("5 additional"),
),
).toBe(true);
});
it("still admits authorized candidates inside the evaluation window under a flood", async () => {
const companyId = randomUUID();
const issueId = randomUUID();
const anchorProjectId = randomUUID();
const allowedProjectId = randomUUID();
// The single authorized project sits ahead of a flood of denied mentions and inside the window.
const deniedProjectIds = Array.from({ length: 5 }, () => randomUUID());
const mentionedProjectIds = [allowedProjectId, ...deniedProjectIds];
await seedCompany(companyId);
await db.insert(projects).values([
{ id: anchorProjectId, companyId, name: "Anchor", status: "in_progress" },
{ id: allowedProjectId, companyId, name: "Allowed", status: "in_progress" },
...deniedProjectIds.map((id, index) => ({
id,
companyId,
name: `Denied ${index}`,
status: "in_progress" as const,
})),
]);
await seedIssueWithMentions({ companyId, issueId, anchorProjectId, mentionedProjectIds });
const { decidedProjectIds, access } = recordingAccess((projectId) =>
decision(projectId === allowedProjectId),
);
const result = await resolveRunReferencedProjects(
issueId,
anchorProjectId,
baseOpts(companyId, access, { maxAdditionalProjects: 2, maxCandidateEvaluations: 3 }),
);
// The authorized project is admitted; only the first three candidates are ever authorized.
expect(result.additional.map((entry) => entry.projectId)).toEqual([allowedProjectId]);
expect(decidedProjectIds).toEqual(mentionedProjectIds.slice(0, 3));
expect(result.warnings.some((warning) => warning.includes("were evaluated for this run"))).toBe(true);
});
it("does not let unavailable mentions consume the evaluation window", async () => {
const companyId = randomUUID();
const issueId = randomUUID();
const anchorProjectId = randomUUID();
const allowedProjectId = randomUUID();
// Two unavailable (foreign-company / deleted / unknown) mentions sit ahead of the authorized
// project in mention order. The production mention lookup company-filters these out, so drive the
// mention set through a stub to exercise the resolver's own availability filtering directly.
const unavailableProjectIds = [randomUUID(), randomUUID()];
await seedCompany(companyId);
await db.insert(projects).values([
{ id: anchorProjectId, companyId, name: "Anchor", status: "in_progress" },
{ id: allowedProjectId, companyId, name: "Allowed", status: "in_progress" },
]);
await seedIssueWithMentions({ companyId, issueId, anchorProjectId, mentionedProjectIds: [allowedProjectId] });
const mentions: ResolveRunReferencedProjectsOptions["issues"] = {
findMentionedProjectIds: async () => [...unavailableProjectIds, allowedProjectId],
};
const { decidedProjectIds, access } = recordingAccess(() => decision(true));
// The evaluation cap is only two slots; if unavailable mentions consumed them, the authorized
// project would be displaced out of the window and the set would underfill.
const result = await resolveRunReferencedProjects(
issueId,
anchorProjectId,
baseOpts(companyId, access, { issues: mentions, maxAdditionalProjects: 2, maxCandidateEvaluations: 2 }),
);
// Availability filtering runs before the evaluation cap, so the authorized project still lands
// inside the window and is admitted rather than displaced.
expect(result.additional.map((entry) => entry.projectId)).toEqual([allowedProjectId]);
expect(decidedProjectIds).toEqual([allowedProjectId]);
// Each unavailable mention warns, but none of them consumed an evaluation slot.
expect(
result.warnings.filter((warning) => warning.includes("not available in this company")),
).toHaveLength(2);
expect(result.warnings.some((warning) => warning.includes("without evaluation"))).toBe(false);
});
it("floors the evaluation cap at the admitted cap so the admitted cap stays reachable", async () => {
const companyId = randomUUID();
const issueId = randomUUID();
const anchorProjectId = randomUUID();
const allowedProjectIds = [randomUUID(), randomUUID()];
await seedCompany(companyId);
await db.insert(projects).values([
{ id: anchorProjectId, companyId, name: "Anchor", status: "in_progress" },
...allowedProjectIds.map((id, index) => ({
id,
companyId,
name: `Allowed ${index}`,
status: "in_progress" as const,
})),
]);
await seedIssueWithMentions({ companyId, issueId, anchorProjectId, mentionedProjectIds: allowedProjectIds });
const { decidedProjectIds, access } = recordingAccess(() => decision(true));
// An evaluation cap below the admitted cap must not starve the admitted cap.
const result = await resolveRunReferencedProjects(
issueId,
anchorProjectId,
baseOpts(companyId, access, { maxAdditionalProjects: 2, maxCandidateEvaluations: 0 }),
);
expect(result.additional.map((entry) => entry.projectId)).toEqual(allowedProjectIds);
expect(decidedProjectIds).toEqual(allowedProjectIds);
expect(result.warnings).toEqual([]);
});
it("defaults the evaluation cap at or above the admitted cap", () => {
expect(MAX_RUN_REFERENCED_CANDIDATE_EVALUATIONS).toBeGreaterThanOrEqual(
MAX_RUN_REFERENCED_ADDITIONAL_PROJECTS,
);
});
});
describeEmbeddedPostgres("issueService.clearExecutionRunIfTerminal", () => {

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@ -133,6 +133,8 @@ import {
sanitizeRuntimeServiceBaseEnv,
} from "./workspace-runtime.js";
import { issueService } from "./issues.js";
import { projectService } from "./projects.js";
import { authorizationService, type AuthorizationActor } from "./authorization.js";
import { createToolGatewayService } from "./tool-gateway.js";
import { toolAccessService } from "./tool-access.js";
import { visibleIssueCondition } from "./issue-visibility.js";
@ -2120,6 +2122,240 @@ export function prioritizeProjectWorkspaceCandidatesForRun<T extends ProjectWork
return [rows[preferredIndex]!, ...rows.slice(0, preferredIndex), ...rows.slice(preferredIndex + 1)];
}
/**
* Environment flag (kill-switch, default OFF) that gates whether run preparation
* consumes the multi-project referenced-project set produced by
* {@link resolveRunReferencedProjects}. While unset/off, a run materializes only the
* anchor project's workspace exactly as before the referenced set is inert.
*/
export const MULTI_PROJECT_WORKSPACE_SYNC_ENV = "PAPERCLIP_MULTI_PROJECT_WORKSPACE_SYNC";
export function isMultiProjectWorkspaceSyncEnabled(
env: Record<string, string | undefined> = process.env,
): boolean {
return isTruthyRuntimeEnvValue(env[MULTI_PROJECT_WORKSPACE_SYNC_ENV]);
}
/**
* Upper bound on how many additional (mentioned) projects a single run may materialize
* beyond the anchor. Bounds the fan-out of per-project authorization and workspace prep.
*/
export const MAX_RUN_REFERENCED_ADDITIONAL_PROJECTS = 10;
/**
* Upper bound on how many *available* (same-company, hydrated) candidate projects a single run will
* *authorize* before the admitted-project cap is applied.
*
* This is a fan-out guard distinct from {@link MAX_RUN_REFERENCED_ADDITIONAL_PROJECTS}:
* the admitted cap counts only projects that were successfully authorized, so on its own it
* does not bound how many `project:read` decisions a run performs an adversarial same-company
* mention flood in which every candidate is denied would authorize every candidate before the
* admitted cap is ever reached. This limit caps the number of authorization decisions regardless of
* how many candidates are admitted, so denied mentions cannot force unbounded authorization work.
* Only available candidates count against it unavailable mentions are filtered by the company-scoped
* hydration first and never consume an evaluation slot. It is always at least the admitted cap so the
* admitted cap remains reachable in the normal (non-flood) case.
*/
export const MAX_RUN_REFERENCED_CANDIDATE_EVALUATIONS = 50;
type RunReferencedProjectRecord = Awaited<
ReturnType<ReturnType<typeof projectService>["listByIds"]>
>[number];
export interface RunReferencedProject {
projectId: string;
project: RunReferencedProjectRecord;
}
export interface ResolvedRunReferencedProjects {
/** The anchor (primary) project — retains the existing git-worktree run path; never re-authorized here. */
anchor: RunReferencedProject | null;
/** Additional read-only referenced projects that each passed per-project `project:read` authorization. */
additional: RunReferencedProject[];
/** Human-readable warnings for every referenced project that was dropped (unavailable, unauthorized, or capped). */
warnings: string[];
}
export interface ResolveRunReferencedProjectsOptions {
companyId: string;
/** The run actor; every additional project is authorized against this actor. */
actor: AuthorizationActor;
issues: Pick<ReturnType<typeof issueService>, "findMentionedProjectIds">;
projects: Pick<ReturnType<typeof projectService>, "listByIds">;
access: Pick<ReturnType<typeof authorizationService>, "decide">;
/** Override the additional-project cap (defaults to {@link MAX_RUN_REFERENCED_ADDITIONAL_PROJECTS}). */
maxAdditionalProjects?: number;
/**
* Override the candidate authorization fan-out cap the maximum number of *available* candidates
* that are authorized (defaults to {@link MAX_RUN_REFERENCED_CANDIDATE_EVALUATIONS}). Always
* effectively raised to at least the admitted-project cap so the admitted cap stays reachable.
*/
maxCandidateEvaluations?: number;
}
/**
* Produce the deduped, company-scoped, per-project-authorized referenced-project set
* `[anchor, ...additional]` for a run.
*
* The anchor keeps its existing issue/run authorization path and is never re-authorized or
* inherited by the additional projects. Every additional (mentioned) project must independently
* pass a fail-closed `project:read` authorization check against the run actor before it is
* admitted any non-`allowed` decision, company mismatch, missing/unknown project, or thrown
* authorization error drops the project and appends a warning (the run always continues).
*
* Candidate evaluation is bounded twice, independently: at most
* {@link ResolveRunReferencedProjectsOptions.maxCandidateEvaluations} *available* candidates are ever
* hydrated and authorized (a fan-out guard against an adversarial same-company mention flood of denied
* projects), and at most {@link ResolveRunReferencedProjectsOptions.maxAdditionalProjects} of those are
* admitted. The evaluation cap bounds hydration as well as authorization: candidates are hydrated and
* availability-filtered in mention order in bounded batches, and hydration stops as soon as the
* evaluation window is filled with available candidates (or the mention set is exhausted), so hydration
* never processes the complete mention set its cost is bounded by the window, not by mention volume.
* Availability filtering still runs before a candidate consumes an evaluation slot, so an unavailable
* mention (foreign-company, deleted, or malformed id) never occupies a slot or displaces a later
* authorized project. Available candidates beyond the evaluation window are left un-hydrated and dropped
* with a warning, never triggering an authorization decision.
*/
export async function resolveRunReferencedProjects(
issueId: string,
anchorProjectId: string | null,
opts: ResolveRunReferencedProjectsOptions,
): Promise<ResolvedRunReferencedProjects> {
const { companyId, actor, issues, projects, access } = opts;
const warnings: string[] = [];
const cap = Math.max(0, opts.maxAdditionalProjects ?? MAX_RUN_REFERENCED_ADDITIONAL_PROJECTS);
// The evaluation cap bounds candidate hydration + authorization fan-out. It is always at least the
// admitted cap so the admitted cap stays reachable in the normal (non-flood) case.
const evaluationCap = Math.max(
cap,
opts.maxCandidateEvaluations ?? MAX_RUN_REFERENCED_CANDIDATE_EVALUATIONS,
);
// Company-scoped, deduped, order-preserving mention set (title + description + comment bodies).
// Run prep counts mentions in comments, so comment bodies are always included.
const mentionedIds = await issues.findMentionedProjectIds(issueId, { includeCommentBodies: true });
// Anchor wins: it keeps the full git-worktree path and is never re-authorized here, so drop it
// from the mention set. Preserve mention order while deduping the remaining candidates.
const allCandidateIds: string[] = [];
const seen = new Set<string>(anchorProjectId ? [anchorProjectId] : []);
for (const projectId of mentionedIds) {
if (seen.has(projectId)) continue;
seen.add(projectId);
allCandidateIds.push(projectId);
}
// Hydrate + availability-filter candidates in mention order, but never process more of the mention
// set than the evaluation window needs. Candidates are pulled in bounded batches sized to what the
// window still needs, and hydration stops as soon as `evaluationCap` *available* candidates are
// collected (or the mention set is exhausted). This bounds hydration by the evaluation window rather
// than by mention volume: an adversarial same-company mention flood can neither force an unbounded
// hydration query nor displace a later authorized project out of the window. `listByIds` filters by
// company, so each batch both fetches the records and performs availability filtering — a mention that
// did not resolve inside this company (foreign-company, deleted, or malformed id) is dropped here with
// a warning and never occupies an evaluation slot. The anchor is co-hydrated with the first batch (it
// was excluded from `allCandidateIds` above, so it never double-counts) and is never re-authorized.
const availableCandidates: RunReferencedProject[] = [];
let hydrationCursor = 0;
let anchorRecord: RunReferencedProjectRecord | null = null;
let anchorHydrated = false;
while (availableCandidates.length < evaluationCap && hydrationCursor < allCandidateIds.length) {
const need = evaluationCap - availableCandidates.length;
const batchCandidateIds = allCandidateIds.slice(hydrationCursor, hydrationCursor + need);
hydrationCursor += batchCandidateIds.length;
const hydrateIds =
!anchorHydrated && anchorProjectId ? [anchorProjectId, ...batchCandidateIds] : batchCandidateIds;
const hydrated = await projects.listByIds(companyId, hydrateIds);
const byId = new Map(hydrated.map((project) => [project.id, project]));
if (!anchorHydrated && anchorProjectId) {
anchorRecord = byId.get(anchorProjectId) ?? null;
anchorHydrated = true;
}
for (const projectId of batchCandidateIds) {
const project = byId.get(projectId);
if (!project) {
warnings.push(`Referenced project ${projectId} was skipped because it is not available in this company.`);
continue;
}
availableCandidates.push({ projectId, project });
}
}
// Hydrate the anchor on its own if the candidate loop never ran (no mentions to co-hydrate it with).
if (!anchorHydrated && anchorProjectId) {
const hydrated = await projects.listByIds(companyId, [anchorProjectId]);
anchorRecord = hydrated.find((project) => project.id === anchorProjectId) ?? null;
anchorHydrated = true;
}
const anchor: RunReferencedProject | null =
anchorRecord && anchorProjectId ? { projectId: anchorProjectId, project: anchorRecord } : null;
// The loop already bounds `availableCandidates` to at most `evaluationCap` entries. Any mentions left
// un-hydrated past the window (the fan-out cap dropped them before hydration/authorization) are
// surfaced as a warning after the admit loop below. Denied candidates still consume this window (each
// costs exactly one authorization decision, which is what the cap bounds); unavailable mentions,
// filtered above, do not.
const candidates = availableCandidates;
const unevaluatedCandidateCount = allCandidateIds.length - hydrationCursor;
// Admit candidates in mention order until the cap of successfully-authorized projects is reached.
// The cap bounds how many additional projects a run *materializes*, so it is counted against
// admitted projects only; denied mentions never use a slot.
const additional: RunReferencedProject[] = [];
let capReachedAtIndex: number | null = null;
for (let index = 0; index < candidates.length; index++) {
if (additional.length >= cap) {
capReachedAtIndex = index;
break;
}
const { projectId, project } = candidates[index]!;
let allowed = false;
try {
const decision = await access.decide({
actor,
action: "project:read",
resource: { type: "project", companyId, projectId },
scope: { projectId },
});
allowed = decision.allowed === true;
} catch {
// Fail-closed: an authorization error never admits a project.
allowed = false;
}
if (!allowed) {
warnings.push(`Referenced project ${projectId} was skipped because it is not authorized for this run.`);
continue;
}
additional.push({ projectId, project });
}
// Warn once if the admitted cap stopped us before every available candidate was considered. The
// skipped count includes both the still-unconsidered evaluated candidates and any available
// candidates that were dropped before evaluation by the fan-out cap above.
if (capReachedAtIndex !== null) {
const skipped = candidates.length - capReachedAtIndex + unevaluatedCandidateCount;
warnings.push(
`Only the first ${cap} referenced project(s) will be synced for this run; ${skipped} additional referenced project(s) were skipped.`,
);
} else if (unevaluatedCandidateCount > 0) {
// The admitted cap was never reached (e.g. a flood of denied mentions), but the evaluation
// fan-out cap dropped available candidates before they could be authorized.
warnings.push(
`Only the first ${evaluationCap} referenced mention(s) were evaluated for this run; ${unevaluatedCandidateCount} additional referenced mention(s) were skipped without evaluation.`,
);
}
return { anchor, additional, warnings };
}
function readNonEmptyString(value: unknown): string | null {
return typeof value === "string" && value.trim().length > 0 ? value : null;
}