Spell out the hand-wired ESME's bind, and where a getter-only assignment throws

CHANGELOG.md

@@ -78,7 +78,8 @@
   removed: read `session.boundAs !== undefined`. A session you wire yourself records the bind it
   accepted or had accepted with `session.bound(bindType, declaredVersion)`, which returns `err` for a
   bind type or version it cannot record. An assignment to either field does not compile in
-  TypeScript, and throws a `TypeError` in strict-mode JavaScript, which every module is.
+  TypeScript, throws a `TypeError` in an ES module or strict-mode script, and is ignored in
+  sloppy-mode CommonJS.
 
 ## 0.5.0
 

MIGRATION.md

@@ -13,7 +13,8 @@ shape is the same, connect, send, listen for delivery reports, with callbacks re
   a `session` event. It no longer calls back once per connection.
 - **The id a message is answered with goes to `sendResp({ smsId })`.** `sms.smsId` is read-only: the
   id the segments were answered with, the id `sendResp()` was given, or the generated UUID v7.
-  Assigning to it throws a `TypeError`, since modules are strict mode.
+  Assigning to it throws a `TypeError` in an ES module or strict-mode script, and is ignored in
+  sloppy-mode CommonJS.
 - **`smsIds` from `sendSms()` is `(string | undefined)[]`**, one entry per segment, positional with
   `pduObjs`, `undefined` where the SMSC took the segment without naming an id.
 - **`checkuserpass` is `authenticate`**, takes `{ password, session, systemId, systemType }` and

README.md

@@ -429,8 +429,10 @@ const { err, pduObj } = await session.send({
   end accepted it, on every link it binds. `bindType` is `receiver`, `transceiver` or `transmitter`;
   `declaredVersion` is 0-255, or `undefined` where the peer declared none. Anything else returns `err`
   and records nothing.
-- An ESME records the bind from its `bind_resp`, in `reconnect.onConnected` on every rebind:
+- An ESME wired by hand sends its own `bind_<bindType>` through `session.send()`, after it is
-  `session.bound('transmitter', pduObj.tlvs.sc_interface_version?.tagValue)`.
+  constructed and again in `reconnect.onConnected`, and records each accepted one with
+  `session.bound(bindType, pduObj.tlvs.sc_interface_version?.tagValue)`, where `bindType` is the one
+  it sent and `pduObj` the `bind_resp` that `send()` resolved with.
 
 ## Receiving in depth