Migrate email catcher to Mailpit

docs/API_SPEC.md

@@ -10,7 +10,7 @@ Base path: `/api/v1`.
 
 ## Auth
 - `POST /auth/register`: create a citizen account.
-- `POST /auth/otp/request`: send an OTP email through MailHog.
+- `POST /auth/otp/request`: send an OTP email through Mailpit.
 - `POST /auth/otp/verify`: verify OTP and create an API token.
 - `POST /auth/login/password`: password login fallback.
 - `POST /auth/change-password`: change the authenticated user's password.

docs/ARCHITECTURE.md

@@ -20,7 +20,7 @@ The codebase does not use Drogon generated models or `Mapper<T>`. Raw SQL stays
 in repository/database helpers because the schema is still evolving.
 
 ## Local Email
-OTP emails are sent to MailHog over SMTP. MailHog keeps messages local and
+OTP emails are sent to Mailpit over SMTP. Mailpit keeps messages local and
 inspectable through its web UI.
 
 ## Password Hashing

docs/LLM_CONTEXT.md

@@ -8,7 +8,7 @@ and use intervention summaries.
 Admins manage roles, users, areas, teams, reference data, moderation and stats.
 
 The project runs locally on the host machine. Docker is used only for external
-services such as MySQL and MailHog. Real production deployment and Dockerizing
+services such as MySQL and Mailpit. Real production deployment and Dockerizing
 the backend are later delivery tasks.
 
 Important conventions:

docs/MILESTONE_01.md

@@ -3,10 +3,10 @@
 ## Implemented in this milestone
 - Project identity and documentation for Visione.
 - Root `AGENTS.md` for future coding agents.
-- Local Docker services for MySQL and MailHog.
+- Local Docker services for MySQL and Mailpit.
 - Initial MySQL schema and seed data.
 - Drogon backend structure for auth, reports, admin data and stats.
-- OTP email delivery through MailHog.
+- OTP email delivery through Mailpit.
 - Focused regression tests for technical endpoints and core validation helpers.
 - Local admin seed: `[email protected]` / `ChangeMe123!`, with forced password change flag.
 - Multipart report media upload endpoint storing files under `uploads/reports/`.

docs/PROJECT_SPEC.md

@@ -34,7 +34,7 @@ Valid milestone 2 transitions:
 - `REJECTED -> CLOSED`.
 
 ## MVP Scope
-- Local auth with email OTP delivered through MailHog.
+- Local auth with email OTP delivered through Mailpit.
 - MySQL persistence with migrations and seed data.
 - Report creation/list/detail/status/message/assignment/feedback/moderation flows.
 - Area polygons stored as GeoJSON and matched by backend logic.

docs/openapi/visione.openapi.yaml

@@ -897,7 +897,7 @@
         "additionalProperties": false,
         "properties": {
           "delivery": {
-            "example": "mailhog",
+            "example": "mailpit",
             "type": "string"
           },
           "expires_in_minutes": {
@@ -2209,7 +2209,7 @@
     },
     "/api/v1/auth/otp/request": {
       "post": {
-        "description": "Sends a one-time code by email through MailHog locally.",
+        "description": "Sends a one-time code by email through Mailpit locally.",
         "operationId": "AuthController.requestOtp",
         "parameters": [],
         "requestBody": {