refactor(pricing): refonte v7.0 — 3 Cloud (Basic 189$/Essentiel 349$/Pro 549$) + DictIA Local (5998$ An1) + Pro+ soumission

Remplace l'ancien pricing (DictIA 8 / 16 / Cloud) par la nouvelle structure
canonique v7.0 : 4 forfaits + 1 sentinel quote-only.

Changements clés :
- pricing_card.html : signature étendue (badge, recommended, capacity_audio,
  capacity_storage, gpu, yearly_renewal, cta_label) + format prix server-side
  avec NBSP OQLF (5998 -> 5 998 $)
- _pricing_tiers.html : 4 cards (Cloud Basic 189$, Cloud Essentiel 349$,
  Cloud Pro 549$+485$ RECOMMANDÉ, DictIA Local 5998$ An1) + chip Pro+
  soumission -> /contact?pro-plus=1
- plans.py : refonte complète avec yearly_renewal_env (DictIA Local An 2+ =
  500$/an) + is_quote_only sentinel (Pro+ -> redirect /contact, jamais Stripe)
- routes.py : Pro+ intercepté avant le flow Stripe Checkout
- env.stripe.example : nouveau naming STRIPE_CLOUD_BASIC|ESSENTIEL|PRO_*
  + STRIPE_DICTIA_LOCAL_SETUP/RENEWAL_YEARLY
- tarifs.html : header "Quatre forfaits", matrice comparative 4 colonnes,
  FAQ enrichie (7 questions incluant DictIA Local + onboarding Pro + Pro+)
- fonctionnalites.html : section Architecture refondue (4 cards v7.0)
- landing.html : ROI footnote + cycle "189$" + wave "189$/mois" actualisés
- roi_calculator.js : recalibrage sur Cloud ESSENTIEL 349$ × 12 = 4188$/an
- routes.py marketing : FAQ "DictIA 8 et 16" -> "DictIA LOCAL"
- contact.html : "déploiements DictIA 16" -> "Cloud PRO" + "DictIA LOCAL"

Tests :
- test_marketing_landing_template.py : assertions prix v7.0 (189/349/549/5998),
  4 slugs (cloud-basic, cloud-essentiel, cloud-pro, dictia-local), Pro+ chip,
  capacity chips, RECOMMANDÉ sur Cloud PRO
- test_marketing_secondary_pages.py : 4 cards + Pro+ chip + matrice 4 col +
  FAQ 7 questions
- test_stripe_checkout.py : env vars v7.0, slugs cloud-basic/cloud-pro/
  dictia-local + nouveau test pro-plus -> /contact + tests setup pour Cloud PRO
  et DictIA Local
- test_stripe_webhook.py : plan_slug metadata cloud-basic

Status : 28/28 Stripe checkout + 17/17 webhook + 93/98 marketing pass
(les 5 marketing failures sont pré-existantes, non liées au pricing :
test_landing_has_main_nav et test_footer_links_complete = /blog manquant ;
test_trust_bar_has_eyebrow_factual_phrasing + 2 tests conformite =
casing eyebrow + entité é — vérifié par git stash baseline).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

config/env.stripe.example

@@ -1,5 +1,5 @@
 ###############################################################################
-# Stripe — Checkout + Subscriptions (B-2.7 / B-2.8)
+# Stripe — Checkout + Subscriptions (B-2.7 / B-2.8) — v7.0 pricing
 ###############################################################################
 #
 # Required for the /checkout/<plan> flow and the /webhooks/stripe receiver.
@@ -15,30 +15,34 @@
 # STRIPE_WEBHOOK_SECRET=whsec_...                   # for B-2.8 webhook signature verification
 
 ###############################################################################
-# Price IDs — one per plan, period, and (for hardware plans) setup fee.
+# Price IDs — v7.0 (Cloud Basic / Essentiel / Pro + DictIA Local)
 ###############################################################################
 #
 # Format: price_xxxxxxxxxxxxxxxxxxxxxxxxxx
 # Naming convention in this codebase: STRIPE_<PLAN>_<TYPE>
-#   PLAN  = DICTIA_8 | DICTIA_16 | DICTIA_CLOUD
-#   TYPE  = SETUP (one-time, hardware only) | MONTHLY | YEARLY
+#   PLAN  = CLOUD_BASIC | CLOUD_ESSENTIEL | CLOUD_PRO | DICTIA_LOCAL
+#   TYPE  = SETUP (one-time) | MONTHLY | YEARLY | RENEWAL_YEARLY (DictIA Local An 2+)
 #
 # Yearly Price = Monthly Price × 12 × 0.85 (15 % discount). Configure both
-# Prices in the Stripe Dashboard for each plan.
+# Prices in the Stripe Dashboard for each Cloud plan.
+# Pro+ is quote-only — NO Stripe Price IDs (the route redirects to /contact).
 
-# DictIA 8 (8-channel hardware bundle): 3 450 $ setup + 173 $/mo
-# STRIPE_DICTIA_8_SETUP=price_xxx
-# STRIPE_DICTIA_8_MONTHLY=price_xxx
-# STRIPE_DICTIA_8_YEARLY=price_xxx
+# Cloud BASIC : 189 $/mo (no setup) — solopreneur, petite équipe, ~165 h audio/mo
+# STRIPE_CLOUD_BASIC_MONTHLY=price_xxx
+# STRIPE_CLOUD_BASIC_YEARLY=price_xxx
 
-# DictIA 16 (16-channel hardware bundle): 5 750 $ setup + 201 $/mo
-# STRIPE_DICTIA_16_SETUP=price_xxx
-# STRIPE_DICTIA_16_MONTHLY=price_xxx
-# STRIPE_DICTIA_16_YEARLY=price_xxx
+# Cloud ESSENTIEL : 349 $/mo (no setup) — cabinet en croissance, ~330 h audio/mo
+# STRIPE_CLOUD_ESSENTIEL_MONTHLY=price_xxx
+# STRIPE_CLOUD_ESSENTIEL_YEARLY=price_xxx
 
-# DictIA Cloud (SaaS-only, no hardware): 369 $/mo
-# STRIPE_DICTIA_CLOUD_MONTHLY=price_xxx
-# STRIPE_DICTIA_CLOUD_YEARLY=price_xxx
+# Cloud PRO : 549 $/mo + 485 $ onboarding (one-time) — usage intensif, ~660 h audio/mo
+# STRIPE_CLOUD_PRO_SETUP=price_xxx
+# STRIPE_CLOUD_PRO_MONTHLY=price_xxx
+# STRIPE_CLOUD_PRO_YEARLY=price_xxx
+
+# DictIA LOCAL : 5 998 $ An 1 (one-time matériel + 1ère année logiciel) puis 500 $/an dès An 2
+# STRIPE_DICTIA_LOCAL_SETUP=price_xxx
+# STRIPE_DICTIA_LOCAL_RENEWAL_YEARLY=price_xxx
 
 ###############################################################################
 # Required Stripe Dashboard configuration
@@ -56,10 +60,13 @@
 #    Apple Pay requires verifying the dictia.ca domain via the Stripe-hosted
 #    `.well-known/apple-developer-merchantid-domain-association` file.
 #
-# 4. For each plan, create:
+# 4. For each Cloud plan, create:
 #    - One recurring monthly Price (CAD, billing_scheme=per_unit)
 #    - One recurring yearly Price (CAD, = monthly × 12 × 0.85)
-#    For DictIA 8 and DictIA 16, also create a one-time Price for the setup fee.
+#    For Cloud PRO, also create a one-time Price for the 485 $ setup fee.
+#    For DictIA LOCAL, create:
+#    - One one-time Price for 5 998 $ (An 1 — matériel + logiciel)
+#    - One recurring yearly Price for 500 $ (renewal — MAJ + support dès An 2)
 #
 # 5. Create a webhook endpoint (B-2.8) pointing at
 #    https://your-domain.example/checkout/webhooks/stripe