diff --git a/README.md b/README.md
index ddf1e63..a348463 100644
--- a/README.md
+++ b/README.md
@@ -1411,6 +1411,13 @@ Things I chose while building, with the reasoning:
     pre-blurred wallpaper — the scene is clearly visible through the glass, and the
     pixel-contrast scan still passes.
 
+83. **The chat fills the space next to the sidebar.** The conversation column was `max-w-3xl`
+    centred, which on a 1280 window left a ~140px dead strip between the rail and the messages —
+    "the chat cuts off weirdly". It now uses the library's container (`max-w-6xl`, `lg:px-10`) and
+    the composer's content is padded to match, so the conversation starts right next to the sidebar
+    (measured: column left = 268 = the rail's edge at 1280) and every row — messages, table, action
+    chips, input, chips, note — shares one left edge.
+
 82. **First run offers the choice: free Ollama or a paid provider.** The gate (user-key installs)
     now shows Ollama with a "Free" badge as the headline option, and below it an "or · Use a paid
     provider instead" button that opens the same provider rows as Settings — with the framing that
diff --git a/components/chat/ChatScreen.tsx b/components/chat/ChatScreen.tsx
index c119f05..fe75907 100644
--- a/components/chat/ChatScreen.tsx
+++ b/components/chat/ChatScreen.tsx
@@ -599,7 +599,9 @@ export function ChatScreen() {
         <div ref={scrollRef} onScroll={onScroll} className="chat-scroll h-full overflow-y-auto overscroll-contain">
           <div
             className={cn(
-              "mx-auto w-full max-w-3xl space-y-4 px-4 py-4",
+              // The same container as the library page: the conversation starts
+              // right next to the sidebar, not centred in a narrower strip.
+              "mx-auto w-full max-w-6xl space-y-4 px-4 py-4 lg:px-10 lg:py-6",
               messages.length === 0 && "flex min-h-full flex-col justify-center",
             )}
           >
diff --git a/components/chat/Composer.tsx b/components/chat/Composer.tsx
index 1a38ed3..20182ca 100644
--- a/components/chat/Composer.tsx
+++ b/components/chat/Composer.tsx
@@ -70,7 +70,7 @@ export function Composer({
   const canSend = online && !busy && value.trim().length > 0;
 
   return (
-    <div className="border-t border-[var(--glass-border)] bg-[var(--glass-bg)] px-3 pb-safe pt-2 backdrop-blur-xl">
+    <div className="border-t border-[var(--glass-border)] bg-[var(--glass-bg)] px-4 pb-safe pt-2 backdrop-blur-xl lg:px-10">
       {attachments.length > 0 ? (
         <ul className="mb-2 flex flex-wrap gap-1.5">
           {attachments.map((entry, index) => (
diff --git a/package.json b/package.json
index cf96c38..67d7f3c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "freezmo",
-  "version": "0.4.9",
+  "version": "0.5.0",
   "private": true,
   "license": "GPL-3.0-only",
   "scripts": {
diff --git a/public/sw.js b/public/sw.js
index ce18a2c..ba6a8dc 100644
--- a/public/sw.js
+++ b/public/sw.js
@@ -9,7 +9,7 @@
  *
  * Bumping CACHE_VERSION is how a new deploy invalidates old assets.
  */
-const CACHE_VERSION = "freezmo-v73";
+const CACHE_VERSION = "freezmo-v74";
 const SHELL_CACHE = `${CACHE_VERSION}-shell`;
 const ASSET_CACHE = `${CACHE_VERSION}-assets`;