diff --git a/services/targo-hub/lib/contracts.js b/services/targo-hub/lib/contracts.js
index 13e80b5..483466c 100644
--- a/services/targo-hub/lib/contracts.js
+++ b/services/targo-hub/lib/contracts.js
@@ -1,6 +1,7 @@
 'use strict'
 const cfg = require('./config')
 const { log, json, parseBody, erpFetch } = require('./helpers')
+const erp = require('./erp')
 const { signJwt, verifyJwt } = require('./magic-link')
 
 // Lazy-loaded flow runtime. Kept local so the require() cost isn't paid on
@@ -568,14 +569,19 @@ async function _createBuiltInInstallChain (contractName, payload) {
     log(`[contract] ${contractName}: Issue creation failed: ${e.message} — continuing with jobs only`)
   }
 
-  // 4. Build the chained Dispatch Jobs using acceptance.createDeferredJobs
-  //    (same proven On-Hold / depends_on chaining used by online checkout).
-  const { getTemplateSteps } = require('./project-templates')
-  const steps = getTemplateSteps('fiber_install')
+  // 4. Pick the install template. Order of precedence:
+  //    (a) contract.install_template if set explicitly
+  //    (b) contract_type → template mapping (Test-Simple, Test-Parallèle, etc.)
+  //    (c) fiber_install as universal default
+  const { getTemplateSteps, chooseTemplate } = require('./project-templates')
+  const templateId = chooseTemplate(contract)
+  const steps = getTemplateSteps(templateId)
   if (!steps.length) {
-    log(`[contract] ${contractName}: no fiber_install template — chain aborted`)
+    log(`[contract] ${contractName}: no "${templateId}" template — chain aborted`)
     return { created: false, issue: issueName, jobs: [], reason: 'no_template' }
   }
+  log(`[contract] ${contractName}: using template "${templateId}" (${steps.length} step${steps.length > 1 ? 's' : ''})`)
+
   const { createDeferredJobs } = require('./acceptance')
   // scheduled_date defaults to today so the jobs land on TODAY's dispatch
   // board. Dispatcher reschedules per capacity. Without this, jobs had
@@ -596,7 +602,71 @@ async function _createBuiltInInstallChain (contractName, payload) {
   } catch (e) {
     log(`[contract] ${contractName}: chained job creation failed: ${e.message}`)
   }
-  return { created: true, issue: issueName, jobs, scheduled_date: today }
+
+  // 5. Create the pending Service Subscription.
+  //    Without this, activateSubscriptionForJob() on the last-job-completion
+  //    finds nothing to activate and no prorated invoice is ever emitted —
+  //    this was the CTR-00008 failure mode. The sub is born 'En attente' and
+  //    gets flipped to 'Actif' + prorated by dispatch when the chain finishes.
+  let subscriptionName = ''
+  if (serviceLocation && contract.monthly_rate && Number(contract.monthly_rate) !== 0) {
+    try {
+      const subPayload = {
+        customer,
+        customer_name: customerName,
+        service_location: serviceLocation,
+        status: 'En attente',
+        service_category: _inferServiceCategory(contract),
+        plan_name: _inferPlanName(contract),
+        monthly_price: Number(contract.monthly_rate),
+        billing_cycle: 'Mensuel',
+        contract_duration: Number(contract.duration_months || 0),
+        start_date: today,
+        notes: `Créé automatiquement à la signature du contrat ${contractName}`,
+      }
+      const subRes = await erp.create('Service Subscription', subPayload)
+      if (subRes.ok && subRes.name) {
+        subscriptionName = subRes.name
+        log(`[contract] ${contractName}: Service Subscription ${subscriptionName} (En attente) created`)
+        // Link it back on the contract via our custom field. (The stock
+        // `subscription` field on Service Contract is a Link to the built-in
+        // ERPNext Subscription doctype — a different thing. We added a custom
+        // `service_subscription` Link field that points at our doctype.)
+        const linkRes = await erp.update('Service Contract', contractName, { service_subscription: subscriptionName })
+        if (!linkRes.ok) log(`[contract] ${contractName}: back-link failed — ${linkRes.error || 'unknown'}`)
+      } else {
+        log(`[contract] ${contractName}: subscription creation failed — ${subRes.error || 'unknown'}`)
+      }
+    } catch (e) {
+      log(`[contract] ${contractName}: subscription creation threw — ${e.message}`)
+    }
+  } else if (!serviceLocation) {
+    log(`[contract] ${contractName}: no service_location — skipping subscription creation`)
+  } else {
+    log(`[contract] ${contractName}: no monthly_rate — skipping subscription creation`)
+  }
+
+  return { created: true, issue: issueName, jobs, subscription: subscriptionName, template: templateId, scheduled_date: today }
+}
+
+// ── Helpers to derive subscription metadata from a Service Contract ─────────
+// The Service Contract carries monthly_rate + contract_type but not a specific
+// plan name or service category, so we infer from free-text markers. Keep this
+// conservative — for contracts we don't recognize, default to 'Internet' since
+// that's our primary product.
+function _inferServiceCategory (contract) {
+  const hay = `${contract.contract_type || ''} ${contract.invoice_note || ''}`.toLowerCase()
+  if (/iptv|t[ée]l[ée]|cha[îi]ne/.test(hay))    return 'IPTV'
+  if (/voip|t[ée]l[ée]phon|ligne|pbx/.test(hay)) return 'VoIP'
+  if (/h[ée]bergement|hosting|cloud|email/.test(hay)) return 'Hébergement'
+  return 'Internet'
+}
+
+function _inferPlanName (contract) {
+  // Prefer an explicit plan if present on a linked quotation/benefit row.
+  const firstBenefit = (contract.benefits || [])[0]
+  if (firstBenefit?.description) return String(firstBenefit.description).slice(0, 140)
+  return `${contract.contract_type || 'Service'} ${contract.monthly_rate}$/mois`
 }
 
 // ─────────────────────────────────────────────────────────────────────────────
diff --git a/services/targo-hub/lib/project-templates.js b/services/targo-hub/lib/project-templates.js
index 334fe2b..fa4e513 100644
--- a/services/targo-hub/lib/project-templates.js
+++ b/services/targo-hub/lib/project-templates.js
@@ -1,33 +1,93 @@
 'use strict'
+// ─────────────────────────────────────────────────────────────────────────────
+// Install chain templates for Service Contracts.
+//
+// Each template is an ordered array of steps. Steps chain via `depends_on_step`
+// (index into the same array, or null for "run as soon as chain starts").
+// `null` → the step is born "open" immediately; otherwise born "On Hold"
+// until the parent step completes (see dispatch.unblockDependents).
+//
+// Multiple steps with depends_on_step=null run in PARALLEL (tech sees both
+// at once, either can be completed first). Likewise multiple steps pointing
+// at the same parent run in parallel after the parent. The terminal-node
+// detector (_isChainTerminal) only fires when ALL siblings are Completed.
+// ─────────────────────────────────────────────────────────────────────────────
 
 const TEMPLATES = {
+  // ── Production templates ────────────────────────────────────────────────
   fiber_install: [
-    { subject: 'Vérification pré-installation (éligibilité & OLT)', job_type: 'Autre', priority: 'medium', duration_h: 0.5, assigned_group: 'Admin', depends_on_step: null },
-    { subject: 'Installation fibre chez le client', job_type: 'Installation', priority: 'high', duration_h: 3, assigned_group: 'Tech Targo', depends_on_step: 0 },
-    { subject: 'Activation du service & configuration ONT', job_type: 'Installation', priority: 'high', duration_h: 0.5, assigned_group: 'Admin', depends_on_step: 1 },
-    { subject: 'Test de débit & validation client', job_type: 'Dépannage', priority: 'medium', duration_h: 0.5, assigned_group: 'Tech Targo', depends_on_step: 2 },
+    { subject: 'Vérification pré-installation (éligibilité & OLT)', job_type: 'Autre',        priority: 'medium', duration_h: 0.5, assigned_group: 'Admin',       depends_on_step: null },
+    { subject: 'Installation fibre chez le client',                 job_type: 'Installation', priority: 'high',   duration_h: 3,   assigned_group: 'Tech Targo', depends_on_step: 0 },
+    { subject: 'Activation du service & configuration ONT',         job_type: 'Installation', priority: 'high',   duration_h: 0.5, assigned_group: 'Admin',       depends_on_step: 1 },
+    { subject: 'Test de débit & validation client',                 job_type: 'Dépannage',    priority: 'medium', duration_h: 0.5, assigned_group: 'Tech Targo', depends_on_step: 2 },
   ],
   phone_service: [
-    { subject: 'Importer le numéro de téléphone', job_type: 'Autre', priority: 'medium', duration_h: 0.5, assigned_group: 'Admin', depends_on_step: null },
-    { subject: 'Installation fibre (pré-requis portage)', job_type: 'Installation', priority: 'high', duration_h: 2, assigned_group: 'Tech Targo', depends_on_step: 0 },
-    { subject: 'Portage du numéro vers Gigafibre', job_type: 'Autre', priority: 'medium', duration_h: 0.5, assigned_group: 'Admin', depends_on_step: 1 },
-    { subject: 'Validation et test du service téléphonique', job_type: 'Dépannage', priority: 'medium', duration_h: 0.5, assigned_group: 'Tech Targo', depends_on_step: 2 },
+    { subject: 'Importer le numéro de téléphone',              job_type: 'Autre',        priority: 'medium', duration_h: 0.5, assigned_group: 'Admin',       depends_on_step: null },
+    { subject: 'Installation fibre (pré-requis portage)',      job_type: 'Installation', priority: 'high',   duration_h: 2,   assigned_group: 'Tech Targo', depends_on_step: 0 },
+    { subject: 'Portage du numéro vers Gigafibre',             job_type: 'Autre',        priority: 'medium', duration_h: 0.5, assigned_group: 'Admin',       depends_on_step: 1 },
+    { subject: 'Validation et test du service téléphonique',   job_type: 'Dépannage',    priority: 'medium', duration_h: 0.5, assigned_group: 'Tech Targo', depends_on_step: 2 },
   ],
   move_service: [
-    { subject: 'Préparation déménagement (vérifier éligibilité nouveau site)', job_type: 'Autre', priority: 'medium', duration_h: 0.5, assigned_group: 'Admin', depends_on_step: null },
-    { subject: 'Retrait équipement ancien site', job_type: 'Retrait', priority: 'medium', duration_h: 1, assigned_group: 'Tech Targo', depends_on_step: 0 },
-    { subject: 'Installation au nouveau site', job_type: 'Installation', priority: 'high', duration_h: 3, assigned_group: 'Tech Targo', depends_on_step: 1 },
-    { subject: 'Transfert abonnement & mise à jour adresse', job_type: 'Autre', priority: 'medium', duration_h: 0.5, assigned_group: 'Admin', depends_on_step: 2 },
+    { subject: 'Préparation déménagement (vérifier éligibilité nouveau site)', job_type: 'Autre',        priority: 'medium', duration_h: 0.5, assigned_group: 'Admin',       depends_on_step: null },
+    { subject: 'Retrait équipement ancien site',                               job_type: 'Retrait',      priority: 'medium', duration_h: 1,   assigned_group: 'Tech Targo', depends_on_step: 0 },
+    { subject: 'Installation au nouveau site',                                 job_type: 'Installation', priority: 'high',   duration_h: 3,   assigned_group: 'Tech Targo', depends_on_step: 1 },
+    { subject: 'Transfert abonnement & mise à jour adresse',                   job_type: 'Autre',        priority: 'medium', duration_h: 0.5, assigned_group: 'Admin',       depends_on_step: 2 },
   ],
   repair_service: [
-    { subject: 'Diagnostic à distance', job_type: 'Dépannage', priority: 'high', duration_h: 0.5, assigned_group: 'Admin', depends_on_step: null },
-    { subject: 'Intervention terrain', job_type: 'Réparation', priority: 'high', duration_h: 2, assigned_group: 'Tech Targo', depends_on_step: 0 },
-    { subject: 'Validation & suivi client', job_type: 'Dépannage', priority: 'medium', duration_h: 0.5, assigned_group: 'Admin', depends_on_step: 1 },
+    { subject: 'Diagnostic à distance',   job_type: 'Dépannage',   priority: 'high',   duration_h: 0.5, assigned_group: 'Admin',       depends_on_step: null },
+    { subject: 'Intervention terrain',    job_type: 'Réparation',  priority: 'high',   duration_h: 2,   assigned_group: 'Tech Targo', depends_on_step: 0 },
+    { subject: 'Validation & suivi client', job_type: 'Dépannage', priority: 'medium', duration_h: 0.5, assigned_group: 'Admin',       depends_on_step: 1 },
   ],
+
+  // ── Test templates ──────────────────────────────────────────────────────
+  // For end-to-end testing the contract → chain → activation → invoice
+  // lifecycle without running through a 4-step production chain.
+
+  // One-step: tech completes one job, subscription activates immediately.
+  // Fastest path to verify the full lifecycle.
+  test_single: [
+    { subject: 'Test — Activation immédiate', job_type: 'Installation', priority: 'medium', duration_h: 0.25, assigned_group: 'Admin', depends_on_step: null },
+  ],
+
+  // Three steps with a parallel middle: step 0 → (step 1 ∥ step 2).
+  // Both middle jobs are born "open" after step 0 completes (same depends_on).
+  // Tech picks either one first; subscription activates when BOTH are Completed.
+  // Exercises _isChainTerminal's sibling-completion check.
+  test_parallel: [
+    { subject: 'Test — Étape initiale',       job_type: 'Autre',        priority: 'medium', duration_h: 0.25, assigned_group: 'Admin', depends_on_step: null },
+    { subject: 'Test — Branche A (parallèle)', job_type: 'Installation', priority: 'medium', duration_h: 0.25, assigned_group: 'Admin', depends_on_step: 0 },
+    { subject: 'Test — Branche B (parallèle)', job_type: 'Installation', priority: 'medium', duration_h: 0.25, assigned_group: 'Admin', depends_on_step: 0 },
+  ],
+}
+
+// Pick a template by explicit id, then by contract_type mapping, else fall back
+// to the universal fiber_install safety net.
+//
+//   chooseTemplate({ install_template: 'test_single' })      → test_single
+//   chooseTemplate({ contract_type: 'Résidentiel' })        → fiber_install
+//   chooseTemplate({ contract_type: 'Test-Simple' })        → test_single
+//   chooseTemplate({ contract_type: 'Test-Parallèle' })     → test_parallel
+//   chooseTemplate({})                                      → fiber_install
+function chooseTemplate (contract = {}) {
+  const explicit = contract.install_template
+  if (explicit && TEMPLATES[explicit]) return explicit
+
+  const byType = {
+    'Résidentiel':      'fiber_install',
+    'Commercial':       'fiber_install',
+    'Déménagement':     'move_service',
+    'Téléphonie':       'phone_service',
+    'Réparation':       'repair_service',
+    'Test-Simple':      'test_single',
+    'Test-Parallèle':   'test_parallel',
+    'Test-Parallele':   'test_parallel', // tolerate missing accent
+  }
+  const mapped = byType[contract.contract_type]
+  return mapped || 'fiber_install'
 }
 
 function getTemplateSteps (templateId) {
   return TEMPLATES[templateId] || []
 }
 
-module.exports = { TEMPLATES, getTemplateSteps }
+module.exports = { TEMPLATES, getTemplateSteps, chooseTemplate }