fix(actas): move closure to reusable inspector signing

api-v3/package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "dhv2-api",
-  "version": "0.29.0-6",
+  "version": "0.29.0-7",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "dhv2-api",
-      "version": "0.29.0-6",
+      "version": "0.29.0-7",
       "license": "UNLICENSED",
       "dependencies": {
         "@nestjs/common": "^11.0.0",

api-v3/package.json

@@ -1,6 +1,6 @@
 {
   "name": "dhv2-api",
-  "version": "0.29.0-6",
+  "version": "0.29.0-7",
   "private": true,
   "license": "UNLICENSED",
   "scripts": {

api-v3/src/administration/users/users.controller.ts

@@ -1,6 +1,7 @@
 import {
   Body,
   Controller,
+  Delete,
   Get,
   Param,
   ParseUUIDPipe,
@@ -9,7 +10,12 @@ import {
   Put,
   Query,
   Req,
+  Res,
+  UploadedFile,
+  UseInterceptors,
 } from '@nestjs/common';
+import { FileInterceptor } from '@nestjs/platform-express';
+import type { Response } from 'express';
 import { AuditService } from '../../audit/audit.service';
 import { RequirePermissions } from '../../authorization/decorators/require-permissions.decorator';
 import { CurrentAuth } from '../../auth/decorators/current-auth.decorator';
@@ -19,6 +25,10 @@ import type {
 } from '../../common/http/request-context';
 import { AuditAction } from '../../database/entities';
 import { SmtpDeliveryService } from '../../inspection-reports/smtp-delivery.service';
+import {
+  MAX_INSPECTION_SIGNATURE_BYTES,
+  type UploadedInspectionSignatureFile,
+} from '../../inspection-closing/inspection-signature-file';
 import { administrationAuditContext } from '../common/administration-audit';
 import { ChangeUserStatusDto } from './dto/change-user-status.dto';
 import { CreateUserDto } from './dto/create-user.dto';
@@ -58,6 +68,45 @@ export class UsersController {
     return this.users.updateSelfProfile(dto, principal, request);
   }
 
+  @Get('self/signature')
+  selfSignature(@CurrentAuth() principal: AuthPrincipal) {
+    return this.users.getSelfSignature(principal.userId);
+  }
+
+  @Get('self/signature/content')
+  async selfSignatureContent(
+    @CurrentAuth() principal: AuthPrincipal,
+    @Res() response: Response,
+  ): Promise<void> {
+    const signature = await this.users.getSelfSignatureContent(principal.userId);
+    response.setHeader('Content-Type', 'image/png');
+    response.setHeader('Content-Length', String(signature.buffer.length));
+    response.setHeader('Cache-Control', 'private, no-store');
+    response.setHeader('ETag', `"${signature.sha256}"`);
+    response.setHeader('X-Content-Type-Options', 'nosniff');
+    response.send(signature.buffer);
+  }
+
+  @Put('self/signature')
+  @UseInterceptors(FileInterceptor('file', {
+    limits: { fileSize: MAX_INSPECTION_SIGNATURE_BYTES, files: 1 },
+  }))
+  updateSelfSignature(
+    @UploadedFile() file: UploadedInspectionSignatureFile | undefined,
+    @CurrentAuth() principal: AuthPrincipal,
+    @Req() request: RequestWithContext,
+  ) {
+    return this.users.updateSelfSignature(file, principal, request);
+  }
+
+  @Delete('self/signature')
+  deleteSelfSignature(
+    @CurrentAuth() principal: AuthPrincipal,
+    @Req() request: RequestWithContext,
+  ) {
+    return this.users.deleteSelfSignature(principal, request);
+  }
+
   @Get('self/smtp')
   selfSmtp(@CurrentAuth() principal: AuthPrincipal) {
     return this.smtp.publicUserSettings(principal.userId);

api-v3/src/administration/users/users.service.ts

@@ -1,6 +1,8 @@
+import { createHash } from 'node:crypto';
 import {
   BadRequestException,
   ConflictException,
+  ForbiddenException,
   Injectable,
   NotFoundException,
 } from '@nestjs/common';
@@ -31,6 +33,10 @@ import type { ReplaceUserRolesDto } from './dto/replace-user-roles.dto';
 import type { ResetUserPasswordDto } from './dto/reset-user-password.dto';
 import type { UpdateSelfProfileDto } from './dto/update-self-profile.dto';
 import type { UpdateUserDto } from './dto/update-user.dto';
+import {
+  inspectInspectionSignatureFile,
+  type UploadedInspectionSignatureFile,
+} from '../../inspection-closing/inspection-signature-file';
 
 export interface UserRoleView {
   id: string;
@@ -38,6 +44,14 @@ export interface UserRoleView {
   name: string;
 }
 
+export interface UserReusableSignatureView {
+  configured: boolean;
+  mimeType: 'image/png' | null;
+  sizeBytes: number | null;
+  imageSha256: string | null;
+  updatedAt: Date | null;
+}
+
 export interface AdministrativeUserView {
   id: string;
   username: string;
@@ -192,6 +206,87 @@ export class UsersService {
     return this.getById(userId);
   }
 
+  async getSelfSignature(userId: string): Promise<UserReusableSignatureView> {
+    const [row] = (await this.dataSource.query(`
+      SELECT mime_type AS "mimeType", size_bytes AS "sizeBytes",
+             image_sha256 AS "imageSha256", updated_at AS "updatedAt"
+      FROM user_signature_profiles WHERE user_id=$1
+    `, [userId])) as Array<{
+      mimeType: 'image/png'; sizeBytes: number; imageSha256: string; updatedAt: Date;
+    }>;
+    return row ? { configured: true, ...row } : {
+      configured: false, mimeType: null, sizeBytes: null, imageSha256: null, updatedAt: null,
+    };
+  }
+
+  async getSelfSignatureContent(userId: string): Promise<{ buffer: Buffer; sha256: string }> {
+    const [row] = (await this.dataSource.query(`
+      SELECT image_data AS buffer, image_sha256 AS sha256
+      FROM user_signature_profiles WHERE user_id=$1
+    `, [userId])) as Array<{ buffer: Buffer; sha256: string }>;
+    if (!row) throw new NotFoundException({
+      code: 'USER_SIGNATURE_NOT_CONFIGURED',
+      message: 'Todavía no cargaste tu firma de inspector',
+    });
+    return row;
+  }
+
+  async updateSelfSignature(
+    file: UploadedInspectionSignatureFile | undefined,
+    principal: AuthPrincipal,
+    request: RequestWithContext,
+  ): Promise<UserReusableSignatureView> {
+    if (!principal.roles.includes('inspector')) throw new ForbiddenException({
+      code: 'INSPECTOR_SIGNATURE_ROLE_REQUIRED',
+      message: 'La firma reutilizable está disponible para usuarios con rol Inspector',
+    });
+    const inspected = inspectInspectionSignatureFile(file);
+    const imageSha256 = createHash('sha256').update(file!.buffer).digest('hex');
+    const before = await this.getSelfSignature(principal.userId);
+    await this.dataSource.transaction(async (manager) => {
+      await manager.query(`
+        INSERT INTO user_signature_profiles (
+          user_id,original_name,mime_type,size_bytes,image_sha256,image_data,updated_by
+        ) VALUES ($1,$2,$3,$4,$5,$6,$1)
+        ON CONFLICT (user_id) DO UPDATE SET
+          original_name=EXCLUDED.original_name, mime_type=EXCLUDED.mime_type,
+          size_bytes=EXCLUDED.size_bytes, image_sha256=EXCLUDED.image_sha256,
+          image_data=EXCLUDED.image_data, updated_by=EXCLUDED.updated_by,
+          updated_at=CURRENT_TIMESTAMP
+      `, [principal.userId, inspected.originalName, inspected.mimeType, file!.buffer.length, imageSha256, file!.buffer]);
+      await this.audit.record({
+        ...administrationAuditContext(principal, request),
+        action: AuditAction.USER_UPDATED,
+        entityType: 'user_signature_profile',
+        entityId: principal.userId,
+        beforeData: before as unknown as Record<string, unknown>,
+        afterData: { configured: true, imageSha256, sizeBytes: file!.buffer.length },
+        metadata: { scope: 'SELF_SIGNATURE', reusableForActs: true },
+      }, manager);
+    });
+    return this.getSelfSignature(principal.userId);
+  }
+
+  async deleteSelfSignature(
+    principal: AuthPrincipal,
+    request: RequestWithContext,
+  ): Promise<UserReusableSignatureView> {
+    const before = await this.getSelfSignature(principal.userId);
+    await this.dataSource.transaction(async (manager) => {
+      await manager.query('DELETE FROM user_signature_profiles WHERE user_id=$1', [principal.userId]);
+      await this.audit.record({
+        ...administrationAuditContext(principal, request),
+        action: AuditAction.USER_UPDATED,
+        entityType: 'user_signature_profile',
+        entityId: principal.userId,
+        beforeData: before as unknown as Record<string, unknown>,
+        afterData: { configured: false },
+        metadata: { scope: 'SELF_SIGNATURE', reusableForActs: true },
+      }, manager);
+    });
+    return this.getSelfSignature(principal.userId);
+  }
+
   async updateSelfProfile(
     dto: UpdateSelfProfileDto,
     principal: AuthPrincipal,

api-v3/src/database/migrations/1790124600000-f6-7-user-reusable-signature.ts

@@ -0,0 +1,49 @@
+import { MigrationInterface, QueryRunner } from 'typeorm';
+
+function quoteIdentifier(identifier: string): string {
+  return `"${identifier.replaceAll('"', '""')}"`;
+}
+
+export class F67UserReusableSignature1790124600000 implements MigrationInterface {
+  name = 'F67UserReusableSignature1790124600000';
+
+  public async up(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(`
+      CREATE TABLE user_signature_profiles (
+        user_id uuid PRIMARY KEY,
+        original_name varchar(255) NOT NULL,
+        mime_type varchar(100) NOT NULL,
+        size_bytes integer NOT NULL,
+        image_sha256 char(64) NOT NULL,
+        image_data bytea NOT NULL,
+        updated_by uuid,
+        created_at timestamptz NOT NULL DEFAULT CURRENT_TIMESTAMP,
+        updated_at timestamptz NOT NULL DEFAULT CURRENT_TIMESTAMP,
+        CONSTRAINT chk_user_signature_profiles_png CHECK (mime_type='image/png'),
+        CONSTRAINT chk_user_signature_profiles_size CHECK (
+          size_bytes BETWEEN 1 AND 1048576
+          AND OCTET_LENGTH(image_data)=size_bytes
+        ),
+        CONSTRAINT chk_user_signature_profiles_sha CHECK (
+          image_sha256 ~ '^[0-9a-f]{64}$'
+        ),
+        CONSTRAINT fk_user_signature_profiles_user FOREIGN KEY (user_id)
+          REFERENCES users(id) ON DELETE CASCADE,
+        CONSTRAINT fk_user_signature_profiles_updated_by FOREIGN KEY (updated_by)
+          REFERENCES users(id) ON DELETE SET NULL
+      )
+    `);
+    const appRole = process.env.DB_APP_USER;
+    if (!appRole) throw new Error('Missing required environment variable: DB_APP_USER');
+    const applicationRole = quoteIdentifier(appRole);
+    await queryRunner.query(`
+      GRANT SELECT, INSERT, UPDATE, DELETE
+      ON TABLE user_signature_profiles
+      TO ${applicationRole}
+    `);
+  }
+
+  public async down(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query('DROP TABLE user_signature_profiles');
+  }
+}

api-v3/src/inspection-closing/inspection-closing.service.ts

@@ -103,6 +103,14 @@ interface StoredSignature extends SignatureView {
   storedName: string | null;
 }
 
+interface ReusableInspectorSignature {
+  originalName: string;
+  mimeType: 'image/png';
+  sizeBytes: number;
+  imageSha256: string;
+  imageData: Buffer;
+}
+
 interface ClosureRecord {
   actId: string;
   schemaVersion: string;
@@ -306,21 +314,24 @@ export class InspectionClosingService {
       const lockedAt = new Date();
 
       const [updated] = (await manager.query(`
-        UPDATE inspection_acts
-        SET status='LOCKED',
-            urgency=$2,
-            deadline_days=$3,
-            deadline_day_type=$4,
-            deadline_basis=$5,
-            deadline_base_at=$6,
-            deadline_at=$7,
-            locked_at=$8,
-            locked_by=$9,
-            current_version=current_version+1,
-            updated_by=$9,
-            updated_at=$8
-        WHERE id=$1
-        RETURNING current_version AS "versionNumber"
+        WITH updated AS (
+          UPDATE inspection_acts
+          SET status='LOCKED',
+              urgency=$2,
+              deadline_days=$3,
+              deadline_day_type=$4,
+              deadline_basis=$5,
+              deadline_base_at=$6,
+              deadline_at=$7,
+              locked_at=$8,
+              locked_by=$9,
+              current_version=current_version+1,
+              updated_by=$9,
+              updated_at=$8
+          WHERE id=$1
+          RETURNING current_version
+        )
+        SELECT current_version AS "versionNumber" FROM updated
       `, [
         actId,
         dto.urgency,
@@ -377,7 +388,7 @@ export class InspectionClosingService {
         afterData: {
           status: InspectionActStatus.LOCKED,
           lockedSha256: preparedSha256,
-          urgency: act.urgency,
+          urgency: dto.urgency,
           deadlineDays,
           deadlineDayType,
           deadlineBasis,
@@ -461,6 +472,13 @@ export class InspectionClosingService {
           message: 'La negativa a firmar requiere identificar al responsable que se negó',
         });
       }
+      if (dto.status === InspectionActSignatureStatus.ABSENT
+        && responsible.attendanceStatus !== InspectionResponsibleAttendanceStatus.ABSENT) {
+        throw new BadRequestException({
+          code: 'INSPECTION_COMPANY_ABSENCE_REQUIRES_ABSENT_RESPONSIBLE',
+          message: 'La ausencia sólo puede confirmarse cuando el representante fue registrado como ausente',
+        });
+      }
       if (await this.hasCompanyOutcome(manager, actId)) {
         throw new ConflictException({
           code: 'INSPECTION_ACT_COMPANY_OUTCOME_ALREADY_RECORDED',
@@ -532,22 +550,15 @@ export class InspectionClosingService {
     request: RequestWithContext,
   ): Promise<InspectionClosureView> {
     assertMobileInspector(principal);
-    const sealed = await this.dataSource.transaction(async (manager) => {
+    let generatedInspectorSignaturePath: string | null = null;
+    let sealed: InspectionClosureView;
+    try {
+      sealed = await this.dataSource.transaction(async (manager) => {
       const { act, visit } = await this.lockContext(manager, actId);
       this.assertLockedForManifestation(act);
       await this.assertActorAssigned(manager, visit.id, principal, true);
       const closure = await this.requireClosure(manager, actId);
-      const signatures = await this.loadSignatures(manager, actId);
-      const inspectorSigned = signatures.some((item) =>
-        item.signerType === InspectionActSignerType.INSPECTOR
-        && item.status === InspectionActSignatureStatus.SIGNED,
-      );
-      if (!inspectorSigned) {
-        throw new ConflictException({
-          code: 'INSPECTION_ACT_INSPECTOR_SIGNATURE_REQUIRED',
-          message: 'Se requiere la firma del inspector para sellar el acta',
-        });
-      }
+      let signatures = await this.loadSignatures(manager, actId);
       const companyOutcomes = signatures.filter((item) =>
         item.signerType === InspectionActSignerType.COMPANY_RESPONSIBLE,
       );
@@ -557,6 +568,17 @@ export class InspectionClosingService {
           message: 'Debe existir exactamente una firma, disidencia, negativa o ausencia documentada del responsable de la empresa',
         });
       }
+      const inspectorSigned = signatures.some((item) =>
+        item.signerType === InspectionActSignerType.INSPECTOR
+        && item.status === InspectionActSignatureStatus.SIGNED,
+      );
+      if (!inspectorSigned) {
+        const created = await this.createInspectorSignatureFromProfile(
+          manager, actId, closure.preparedSha256, principal, request,
+        );
+        generatedInspectorSignaturePath = created.filePath;
+        signatures = await this.loadSignatures(manager, actId);
+      }
 
       const serverSealedAt = new Date();
       const deviceSealedAt = new Date(dto.clientClosedAt);
@@ -619,18 +641,21 @@ export class InspectionClosingService {
         WHERE act_id=$1
       `, [actId, finalSnapshot, finalSha256, deviceSealedAt, serverSealedAt, dto.uploadMode, principal.userId]);
       const [updated] = (await manager.query(`
-        UPDATE inspection_acts
-        SET status='SEALED',
-            sealed_at=$2,
-            sealed_by=$3,
-            closed_at=$2,
-            closed_by=$3,
-            closure_sha256=$4,
-            current_version=current_version+1,
-            updated_by=$3,
-            updated_at=$2
-        WHERE id=$1
-        RETURNING current_version AS "versionNumber"
+        WITH updated AS (
+          UPDATE inspection_acts
+          SET status='SEALED',
+              sealed_at=$2,
+              sealed_by=$3,
+              closed_at=$2,
+              closed_by=$3,
+              closure_sha256=$4,
+              current_version=current_version+1,
+              updated_by=$3,
+              updated_at=$2
+          WHERE id=$1
+          RETURNING current_version
+        )
+        SELECT current_version AS "versionNumber" FROM updated
       `, [actId, serverSealedAt, principal.userId, finalSha256])) as Array<{ versionNumber: number }>;
       await manager.query(`
         INSERT INTO inspection_act_versions (
@@ -664,7 +689,11 @@ export class InspectionClosingService {
       }, manager);
       await this.reports.ensureFrozenReport(manager, actId, principal, request);
       return this.loadView(manager, actId);
-    });
+      });
+    } catch (error) {
+      if (generatedInspectorSignaturePath) await unlink(generatedInspectorSignaturePath).catch(() => undefined);
+      throw error;
+    }
     await this.reports.ensureWordForAct(actId);
     return sealed;
   }
@@ -1171,6 +1200,82 @@ export class InspectionClosingService {
     return rows.map(({ storedName: _storedName, originalName: _originalName, ...row }) => row);
   }
 
+  private async requireReusableInspectorSignature(
+    manager: EntityManager,
+    userId: string,
+  ): Promise<ReusableInspectorSignature> {
+    const [row] = await manager.query(`
+      SELECT original_name AS "originalName", mime_type AS "mimeType",
+             size_bytes AS "sizeBytes", image_sha256 AS "imageSha256",
+             image_data AS "imageData"
+      FROM user_signature_profiles
+      WHERE user_id=$1
+    `, [userId]) as ReusableInspectorSignature[];
+    if (!row) {
+      throw new ConflictException({
+        code: 'INSPECTION_INSPECTOR_PROFILE_SIGNATURE_REQUIRED',
+        message: 'Para cerrar definitivamente el Acta, cargá tu firma de inspector desde Mi perfil en el Dashboard',
+      });
+    }
+    return row;
+  }
+
+  private async createInspectorSignatureFromProfile(
+    manager: EntityManager,
+    actId: string,
+    preparedSha256: string,
+    principal: AuthPrincipal,
+    request: RequestWithContext,
+  ): Promise<{ filePath: string }> {
+    const profile = await this.requireReusableInspectorSignature(manager, principal.userId);
+    const id = randomUUID();
+    const storedName = `${id}.png`;
+    const filePath = resolve(this.signatureRoot, storedName);
+    await mkdir(this.signatureRoot, { recursive: true, mode: 0o700 });
+    await writeFile(filePath, profile.imageData, { flag: 'wx', mode: 0o600 });
+    const signedAt = new Date();
+    const source = this.signatureSource(principal);
+    const signerName = `${principal.firstName} ${principal.lastName}`.trim();
+    const payload = {
+      actId, lockedSha256: preparedSha256, signerType: InspectionActSignerType.INSPECTOR,
+      signerUserId: principal.userId, signerName, position: 'Inspector/a',
+      status: InspectionActSignatureStatus.SIGNED, imageSha256: profile.imageSha256,
+      consentText: INSPECTOR_CONSENT, consentVersion: CONSENT_VERSION,
+      consentAcceptedAt: signedAt.toISOString(), signedAt: signedAt.toISOString(),
+      source, signatureMode: 'PROFILE_REUSABLE', uploadedBy: principal.userId,
+    };
+    const signaturePayloadSha256 = sha256CanonicalJson(payload);
+    try {
+      await manager.query(`
+        INSERT INTO inspection_act_signatures (
+          id,act_id,signer_type,signer_user_id,signer_name,document_type,document_number,position,status,
+          original_name,stored_name,mime_type,size_bytes,image_sha256,consent_text,consent_version,
+          consent_accepted_at,client_signed_at,signed_at,latitude,longitude,accuracy_m,device_label,source,
+          prepared_sha256,signature_payload_sha256,uploaded_by,created_at
+        ) VALUES (
+          $1,$2,'INSPECTOR',$3,$4,NULL,NULL,'Inspector/a','SIGNED',
+          $5,$6,$7,$8,$9,$10,$11,$12,NULL,$12,NULL,NULL,NULL,$13,$14,$15,$16,$3,$12
+        )
+      `, [
+        id, actId, principal.userId, signerName, profile.originalName, storedName, profile.mimeType,
+        profile.sizeBytes, profile.imageSha256, INSPECTOR_CONSENT, CONSENT_VERSION, signedAt,
+        'Firma guardada en Mi perfil', source, preparedSha256, signaturePayloadSha256,
+      ]);
+      await this.audit.record({
+        ...administrationAuditContext(principal, request),
+        action: AuditAction.INSPECTION_ACT_SIGNATURE_RECORDED,
+        entityType: 'inspection_act_signature',
+        entityId: id,
+        afterData: payload,
+        metadata: { actId, immutable: true, signatureMode: 'PROFILE_REUSABLE' },
+      }, manager);
+      return { filePath };
+    } catch (error) {
+      await unlink(filePath).catch(() => undefined);
+      throw error;
+    }
+  }
+
   private async loadStoredSignature(manager: EntityManager, id: string): Promise<StoredSignature> {
     const [row] = await manager.query(`${this.signatureSelect()} WHERE signature.id=$1`, [id]) as StoredSignature[];
     if (!row) throw signatureNotFound();

api-v3/src/version.ts

@@ -1,2 +1,2 @@
-export const API_VERSION = '0.29.0-6';
-export const API_PHASE = 'F6.2';
+export const API_VERSION = '0.29.0-7';
+export const API_PHASE = 'F6.7';

api-v3/test/unit/f3-2-mobile-multi-acta.test.ts

@@ -28,7 +28,8 @@ test('F3.2/F4 exige seleccionar el Acta explícitamente al crear Hallazgos desde
 test('F4 conserva el cierre documental inmutable de cada Acta como LOCKED y luego SEALED', () => {
   const closing = read('src/inspection-closing/inspection-closing.service.ts');
   assert.match(closing, /status='LOCKED'/);
-  assert.match(closing, /INSPECTION_ACT_INSPECTOR_SIGNATURE_REQUIRED/);
+  assert.match(closing, /INSPECTION_INSPECTOR_PROFILE_SIGNATURE_REQUIRED/);
+  assert.match(closing, /createInspectorSignatureFromProfile/);
   assert.match(closing, /INSPECTION_ACT_COMPANY_OUTCOME_REQUIRED/);
   assert.match(closing, /finalSha256 = sha256CanonicalJson\(finalSnapshot\)/);
   assert.match(closing, /status='SEALED'/);

api-v3/test/unit/f4-health-metadata.test.ts

@@ -4,9 +4,9 @@ import { readFileSync } from 'node:fs';
 import { resolve } from 'node:path';
 import { API_PHASE, API_VERSION } from '../../src/version';
 
-test('health metadata reports the current F6.1 release', () => {
-  assert.equal(API_PHASE, 'F6.2');
+test('health metadata reports the current F6.7 release', () => {
+  assert.equal(API_PHASE, 'F6.7');
   const pkg = JSON.parse(readFileSync(resolve(process.cwd(), 'package.json'), 'utf8')) as { version: string };
   assert.equal(API_VERSION, pkg.version);
-  assert.equal(API_VERSION, '0.29.0-6');
+  assert.equal(API_VERSION, '0.29.0-7');
 });

api-v3/test/unit/f4-multi-act-lifecycle.test.ts

@@ -80,9 +80,10 @@ test('F4 field finding flow only targets a draft act of the same in-progress ins
   assert.match(draftGuard, /WHERE visit_id = \$1::uuid[\s\S]*AND status = 'DRAFT'/);
 });
 
-test('F4 sealing requires inspector signature and exactly one terminal company outcome', () => {
+test('F6.7 sealing copies the stored inspector signature and requires exactly one terminal company outcome', () => {
   const closeBody = closing.slice(closing.indexOf('  async close('), closing.indexOf('  async signatureContent('));
-  assert.match(closeBody, /INSPECTION_ACT_INSPECTOR_SIGNATURE_REQUIRED/);
+  assert.match(closeBody, /createInspectorSignatureFromProfile/);
+  assert.match(closing, /INSPECTION_INSPECTOR_PROFILE_SIGNATURE_REQUIRED/);
   assert.match(closeBody, /companyOutcomes\.length !== 1/);
   assert.match(closeBody, /INSPECTION_ACT_COMPANY_OUTCOME_REQUIRED/);
   assert.match(closeBody, /ausencia documentada/);

api-v3/test/unit/f5-android-test-cut.test.ts

@@ -10,8 +10,8 @@ function mountedRepoFile(path: string): string {
 test('F6.3 Android test cut targets production API and has a distinct installable debug version', () => {
   const gradle = mountedRepoFile('android-app/app/build.gradle.kts');
 
-  assert.match(gradle, /versionCode = 36/);
-  assert.match(gradle, /versionName = "0\.19\.8"/);
+  assert.match(gradle, /versionCode = 37/);
+  assert.match(gradle, /versionName = "0\.19\.9"/);
   assert.match(gradle, /https:\/\/dhv2\.korexlabs\.com\/api\/v3\//);
   assert.match(gradle, /applicationIdSuffix = "\.debug"/);
 });

api-v3/test/unit/f6-1-presentation-ready-contract.test.ts

@@ -13,7 +13,7 @@ test('F6.1 presentation metadata keeps the visible WEB version aligned with pack
   const visibleVersion = version.match(/APP_VERSION\s*=\s*'([^']+)'/)?.[1];
 
   assert.equal(visibleVersion, pkg.version);
-  assert.match(version, /APP_PHASE\s*=\s*'F6\.2 · Firma por Acta y correo de usuario'/);
+  assert.match(version, /APP_PHASE\s*=\s*'F6\.7 · Cierre y firma por Acta'/);
 });
 
 test('F6.1 presentation keeps Relevamientos retired from WEB navigation and routes', () => {

api-v3/test/unit/f6-7-act-signing-ui.test.ts

@@ -0,0 +1,50 @@
+import assert from 'node:assert/strict';
+import { readFileSync } from 'node:fs';
+import { resolve } from 'node:path';
+import test from 'node:test';
+
+function source(path: string): string {
+  return readFileSync(resolve(process.cwd(), path), 'utf8');
+}
+
+const closing = source('src/inspection-closing/inspection-closing.service.ts');
+const users = source('src/administration/users/users.controller.ts');
+const userService = source('src/administration/users/users.service.ts');
+const migration = source('src/database/migrations/1790124600000-f6-7-user-reusable-signature.ts');
+const android = source('../android-app/app/src/main/java/com/korexlabs/dhinspeccion/ui/ModernMobileActsScreen.kt');
+const labels = source('../android-app/app/src/main/java/com/korexlabs/dhinspeccion/ui/UiSpanishLabels.kt');
+const profile = source('../web-v2/src/pages/MyProfilePage.tsx');
+
+test('F6.7 Acta lock and seal use SELECT-shaped version CTEs', () => {
+  assert.doesNotMatch(closing, /RETURNING current_version AS "versionNumber"/);
+  assert.equal((closing.match(/WITH updated AS \(/g) ?? []).length >= 2, true);
+  assert.equal((closing.match(/SELECT current_version AS "versionNumber" FROM updated/g) ?? []).length >= 2, true);
+});
+test('F6.7 inspector signature is stored once in profile and copied into each sealed Acta', () => {
+  assert.match(migration, /CREATE TABLE user_signature_profiles/);
+  assert.match(migration, /image_data bytea NOT NULL/);
+  assert.match(migration, /image_sha256 char\(64\) NOT NULL/);
+  assert.match(users, /@Put\('self\/signature'\)/);
+  assert.match(users, /@Get\('self\/signature\/content'\)/);
+  assert.match(userService, /inspectInspectionSignatureFile/);
+  assert.match(closing, /requireReusableInspectorSignature/);
+  assert.match(closing, /createInspectorSignatureFromProfile/);
+  assert.match(closing, /signatureMode: 'PROFILE_REUSABLE'/);
+});
+
+test('F6.7 Android goes Draft to Para firmar to company manifestation without inspector drawing', () => {
+  assert.match(labels, /"LOCKED" -> "Para firmar"/);
+  assert.match(android, /Cerrar contenido y pasar a firma/);
+  assert.match(android, /Firma del representante de la empresa \(acompañante\)/);
+  assert.match(android, /Aplicar mi firma y cerrar Acta/);
+  assert.doesNotMatch(android, /Firmá como inspector\/a/);
+  assert.doesNotMatch(android, /inspectorSigned/);
+  assert.doesNotMatch(android, /Text\(selected\.code/);
+  assert.match(android, /companyOutcome\?\.status == "ABSENT"/);
+});
+test('F6.7 Dashboard exposes the reusable inspector signature clearly', () => {
+  assert.match(profile, /FIRMA DEL INSPECTOR/);
+  assert.match(profile, /Firma guardada para Actas/);
+  assert.match(profile, /saveSelfSignature/);
+  assert.match(profile, /Cada Acta conserva una copia propia de la firma/);
+});