diff --git a/packages/mcp-server/src/server.ts b/packages/mcp-server/src/server.ts
index 22cb350..2e42fa9 100644
--- a/packages/mcp-server/src/server.ts
+++ b/packages/mcp-server/src/server.ts
@@ -28,7 +28,7 @@ export const newMcpServer = async ({
   new McpServer(
     {
       name: 'linqapp_sdk_api',
-      version: '0.33.1',
+      version: '0.34.0',
     },
     {
       instructions: await getInstructions({ stainlessApiKey, customInstructionsPath }),
diff --git a/src/resources/attachments.ts b/src/resources/attachments.ts
index 3958713..d93c21e 100644
--- a/src/resources/attachments.ts
+++ b/src/resources/attachments.ts
@@ -435,7 +435,8 @@ export interface AttachmentCreateResponse {
   /**
    * Presigned URL for uploading the file. PUT the raw binary file content to this
    * URL with the `required_headers`. Do not JSON-encode or multipart-wrap the body.
-   * Expires after 15 minutes.
+   * Expires after 15 minutes. Treat the URL as opaque — the hostname depends on
+   * partner configuration and is the same across sandbox and production.
    */
   upload_url: string;
 }
diff --git a/src/resources/chats/chats.ts b/src/resources/chats/chats.ts
index e91117a..28572d2 100644
--- a/src/resources/chats/chats.ts
+++ b/src/resources/chats/chats.ts
@@ -392,9 +392,10 @@ export namespace Chat {
      * part of a longer one: `STOP` counts, `please stop` does not. Most keywords must
      * match exactly, including case. `OPT OUT` is the exception — it matches in any
      * casing, with or without the space or a hyphen, so `opt out`, `Opt-Out` and
-     * `optout` all count. It clears if they later send `START`, `OPTIN`, or `UNSTOP`,
-     * or if they keep replying on the chat — sustained two-way conversation is treated
-     * as a sign the stop keyword was a false positive.
+     * `optout` all count. It clears if they later send `START`, `OPTIN`, or `UNSTOP` —
+     * these match in any casing — or if they keep replying — replies in any
+     * conversation with you count, the same way the block does — since sustained
+     * two-way conversation is treated as a sign the stop keyword was a false positive.
      *
      * Linq enforces this: while a recipient is opted out, every send to them is
      * rejected with `403` (error code `2024`) before the message is queued, across
@@ -880,9 +881,10 @@ export namespace ChatCreateResponse {
        * part of a longer one: `STOP` counts, `please stop` does not. Most keywords must
        * match exactly, including case. `OPT OUT` is the exception — it matches in any
        * casing, with or without the space or a hyphen, so `opt out`, `Opt-Out` and
-       * `optout` all count. It clears if they later send `START`, `OPTIN`, or `UNSTOP`,
-       * or if they keep replying on the chat — sustained two-way conversation is treated
-       * as a sign the stop keyword was a false positive.
+       * `optout` all count. It clears if they later send `START`, `OPTIN`, or `UNSTOP` —
+       * these match in any casing — or if they keep replying — replies in any
+       * conversation with you count, the same way the block does — since sustained
+       * two-way conversation is treated as a sign the stop keyword was a false positive.
        *
        * Linq enforces this: while a recipient is opted out, every send to them is
        * rejected with `403` (error code `2024`) before the message is queued, across
diff --git a/src/resources/webhooks.ts b/src/resources/webhooks.ts
index ab62932..c2038d8 100644
--- a/src/resources/webhooks.ts
+++ b/src/resources/webhooks.ts
@@ -190,9 +190,10 @@ export namespace MessageEventV2 {
        * part of a longer one: `STOP` counts, `please stop` does not. Most keywords must
        * match exactly, including case. `OPT OUT` is the exception — it matches in any
        * casing, with or without the space or a hyphen, so `opt out`, `Opt-Out` and
-       * `optout` all count. It clears if they later send `START`, `OPTIN`, or `UNSTOP`,
-       * or if they keep replying on the chat — sustained two-way conversation is treated
-       * as a sign the stop keyword was a false positive.
+       * `optout` all count. It clears if they later send `START`, `OPTIN`, or `UNSTOP` —
+       * these match in any casing — or if they keep replying — replies in any
+       * conversation with you count, the same way the block does — since sustained
+       * two-way conversation is treated as a sign the stop keyword was a false positive.
        *
        * Linq enforces this: while a recipient is opted out, every send to them is
        * rejected with `403` (error code `2024`) before the message is queued, across
@@ -1206,9 +1207,10 @@ export namespace MessageEditedWebhookEvent {
          * part of a longer one: `STOP` counts, `please stop` does not. Most keywords must
          * match exactly, including case. `OPT OUT` is the exception — it matches in any
          * casing, with or without the space or a hyphen, so `opt out`, `Opt-Out` and
-         * `optout` all count. It clears if they later send `START`, `OPTIN`, or `UNSTOP`,
-         * or if they keep replying on the chat — sustained two-way conversation is treated
-         * as a sign the stop keyword was a false positive.
+         * `optout` all count. It clears if they later send `START`, `OPTIN`, or `UNSTOP` —
+         * these match in any casing — or if they keep replying — replies in any
+         * conversation with you count, the same way the block does — since sustained
+         * two-way conversation is treated as a sign the stop keyword was a false positive.
          *
          * Linq enforces this: while a recipient is opted out, every send to them is
          * rejected with `403` (error code `2024`) before the message is queued, across
@@ -1643,9 +1645,10 @@ export namespace ChatCreatedWebhookEvent {
        * part of a longer one: `STOP` counts, `please stop` does not. Most keywords must
        * match exactly, including case. `OPT OUT` is the exception — it matches in any
        * casing, with or without the space or a hyphen, so `opt out`, `Opt-Out` and
-       * `optout` all count. It clears if they later send `START`, `OPTIN`, or `UNSTOP`,
-       * or if they keep replying on the chat — sustained two-way conversation is treated
-       * as a sign the stop keyword was a false positive.
+       * `optout` all count. It clears if they later send `START`, `OPTIN`, or `UNSTOP` —
+       * these match in any casing — or if they keep replying — replies in any
+       * conversation with you count, the same way the block does — since sustained
+       * two-way conversation is treated as a sign the stop keyword was a false positive.
        *
        * Linq enforces this: while a recipient is opted out, every send to them is
        * rejected with `403` (error code `2024`) before the message is queued, across