docs: clarify DFTE response ownership guidance

CHANGELOG.md

@@ -1,5 +1,12 @@
 # Changelog
 
+## 1.2.1
+
+- Clarify the safe shared-response and fixed-slot borrowed-response helpers so
+  embedded web clients can choose the ownership model that matches their
+  response lifetime.
+- Refresh the package documentation and canonical PlatformIO installation tag.
+
 ## 1.2.0
 
 - Add a borrowed async-response helper for fixed, caller-owned response slots. It avoids a per-request `shared_ptr` control allocation while releasing the slot safely on completion or disconnect.

README.md

@@ -1,4 +1,4 @@
-# Device Framework Template Engine
+# DeviceFramework Template Engine (DFTE)
 
 DFTE streams HTML and text from ESP8266 and ESP32 firmware without constructing a complete response in RAM. Store layouts in PROGMEM, resolve changing values through getters, and render fixed-size chunks directly to serial or an asynchronous HTTP response.
 
@@ -49,7 +49,7 @@ Build [Hello Placeholder](examples/HelloPlaceholder/) to see the rendered result
 
 ```ini
 lib_deps =
-    DeviceFrameworkTemplateEngine=https://github.com/alexhopeoconnor/DFTE.git#v1.2.0
+    DeviceFrameworkTemplateEngine=https://github.com/alexhopeoconnor/DFTE.git#v1.2.1
 ```
 
 PlatformIO checks out the Git ref after `#`; GitHub Release assets are unrelated. DFTE supports ESP8266 and ESP32 Arduino projects.

docs/ASYNC_WEB.md

@@ -2,6 +2,11 @@
 
 Build a `PlaceholderRegistry` once during setup, but allocate a fresh `TemplateContext` for each request. A shared context would mix rendering state when clients overlap.
 
+| Need | Use |
+| --- | --- |
+| A request-owned dynamic render context | `beginSafeTemplateResponse()` |
+| A fixed response-slot pool owned by the application | `beginBorrowedChunkedResponse()` |
+
 ```cpp
 #include <TemplateEngine.h>
 #include <TemplateEngineAsyncWeb.h>

docs/README.md

@@ -1,4 +1,4 @@
-# DFTE documentation
+# DeviceFramework Template Engine (DFTE) documentation
 
 | I want to… | Read |
 | --- | --- |

library.json

@@ -1,6 +1,6 @@
 {
   "name": "DeviceFrameworkTemplateEngine",
-  "version": "1.2.0",
+  "version": "1.2.1",
   "description": "Memory-efficient streaming template engine for ESP8266/ESP32 with chunked rendering support. Designed for embedded web interfaces with PROGMEM template support.",
   "keywords": [
     "template",