Sync the self-hosting stack

CHANGELOG.md

@@ -9,6 +9,22 @@ one of them changed. An entry says which artefact and which version, so `web 0.1
 Every version published to a channel appears here. Nothing is written from memory afterwards: a build
 cannot be published without its entry.
 
+## 2026-10-13 — Organization records take only what they expect `api 0.150.0` `web 0.184.0`
+
+**Each field of an organization's record now checks what it is given.**
+
+- **The country is chosen from a list**, and it decides the postal code and the company or VAT
+  number: their shape, an example in the empty field, and how they are written — a Belgian
+  enterprise number comes out as `BE 0123.456.749`, with its check digits verified, and a Dutch
+  postal code as `1012 AB`. Other countries get a generic shape.
+- **A phone number** has 6 to 15 digits, **a website** is an http or https address on a real
+  domain, and **a city or a name** has letters.
+- Mistakes are pointed out under the field as soon as you leave it, and the API refuses the same
+  ones, against the country already on file.
+
+Update the API and web images together. No agent update is required, and the schema does not
+change.
+
 ## 2026-10-13 — The organization record in two parts `web 0.183.0`
 
 **An organization's record has two parts now**: the company — its legal name, number, website,