diff --git a/.claude-plugin/marketplace.json b/.claude-plugin/marketplace.json
index 552fefe..e723663 100644
--- a/.claude-plugin/marketplace.json
+++ b/.claude-plugin/marketplace.json
@@ -8,7 +8,7 @@
     {
       "name": "claude-code-ai-observability",
       "description": "Realtime Sentry traces with per-turn tokens, cost, subagent and error instrumentation, and rich auto-tagging (session / git / host). Forked from sergical/claude-code-sentry-monitor (MIT).",
-      "version": "0.2.8",
+      "version": "0.2.9",
       "author": {
         "name": "Joshkop"
       },
diff --git a/.claude-plugin/plugin.json b/.claude-plugin/plugin.json
index 5af903e..b58829a 100644
--- a/.claude-plugin/plugin.json
+++ b/.claude-plugin/plugin.json
@@ -1,7 +1,7 @@
 {
   "name": "claude-code-ai-observability",
   "description": "Comprehensive AI Agent Observability plugin for Claude Code — realtime Sentry traces with per-turn tokens, cost, subagent and error instrumentation, and rich auto-tagging (session / git / host). Forked from sergical/claude-code-sentry-monitor (MIT).",
-  "version": "0.2.8",
+  "version": "0.2.9",
   "author": {
     "name": "Joshkop"
   },
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 17652d2..ce2d49e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,15 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
 
+## [0.2.9] - 2026-05-21
+
+### Fixed
+
+- **Sentry AI Conversations view actually populates now (fourth-and-final).** 0.2.8 mirrored the prompt onto the chat child as `gen_ai.request.messages` plus `gen_ai.response.text`, but the view stayed empty because `@sentry/node` 10.53.1 follows the current OTel gen_ai semantic convention which renamed those attributes. The SDK silently dropped the legacy keys and initialized `gen_ai.input.messages` to an empty array — visible directly in the span detail panel as `gen_ai.input.messages: []`. Switched all input/output message attributes to the new names:
+  - `gen_ai.request.messages` → `gen_ai.input.messages` (on both the `gen_ai.invoke_agent` agent span and the `gen_ai.chat` child)
+  - `gen_ai.response.text` → `gen_ai.output.messages` on the chat child, now wrapped as `[{role: "assistant", content: response}]` to match the array shape Sentry expects
+  - Same rename applied to the synthesized subagent invoke_agent span (`src/subagent.ts`)
+
 ## [0.2.8] - 2026-05-21
 
 ### Fixed
diff --git a/package.json b/package.json
index e12f36a..23594f4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "claude-code-ai-observability",
-  "version": "0.2.8",
+  "version": "0.2.9",
   "description": "Comprehensive AI Agent Observability plugin for Claude Code — realtime Sentry traces with per-turn tokens, cost, subagent and error instrumentation, and rich auto-tagging (session / git / host).",
   "type": "module",
   "scripts": {
diff --git a/scripts/spans.js b/scripts/spans.js
index 009c195..201ec43 100644
--- a/scripts/spans.js
+++ b/scripts/spans.js
@@ -38,7 +38,7 @@ export function openTurnTransaction(sentry, sessionId, turnIndex, prompt, tags,
     }));
     if (config.recordInputs && prompt) {
         const messages = serialize([{ role: "user", content: prompt }], config.maxAttributeLength);
-        agent.setAttribute("gen_ai.request.messages", messages);
+        agent.setAttribute("gen_ai.input.messages", messages);
     }
     return { root, agent };
 }
@@ -85,10 +85,10 @@ export function closeTurnSpan(sentry, turnSpans, input, config, endTime) {
         }
     }
     if (config.recordInputs && prompt) {
-        chatSpan.setAttribute("gen_ai.request.messages", serialize([{ role: "user", content: prompt }], config.maxAttributeLength));
+        chatSpan.setAttribute("gen_ai.input.messages", serialize([{ role: "user", content: prompt }], config.maxAttributeLength));
     }
     if (config.recordOutputs && response) {
-        chatSpan.setAttribute("gen_ai.response.text", serialize(response, config.maxAttributeLength));
+        chatSpan.setAttribute("gen_ai.output.messages", serialize([{ role: "assistant", content: response }], config.maxAttributeLength));
     }
     if (tokenExtractionStatus) {
         chatSpan.setAttribute("claude_code.token_extraction.status", tokenExtractionStatus);
diff --git a/scripts/subagent.js b/scripts/subagent.js
index cd42e61..b369ef6 100644
--- a/scripts/subagent.js
+++ b/scripts/subagent.js
@@ -47,7 +47,7 @@ export function createSubagentSpan(sentry, event, options = {}) {
     if (description)
         attributes["gen_ai.agent.description"] = scrubString(truncate(description, maxAttrLen));
     if (prompt)
-        attributes["gen_ai.request.messages"] = scrubString(truncate(prompt, maxAttrLen));
+        attributes["gen_ai.input.messages"] = scrubString(truncate(prompt, maxAttrLen));
     if (event.tool_use_id)
         attributes["gen_ai.tool.call.id"] = event.tool_use_id;
     // Dual-namespaced on purpose: gen_ai.agent.* for generic OTel AI tooling,
diff --git a/src/spans.ts b/src/spans.ts
index e469bbe..9fd134b 100644
--- a/src/spans.ts
+++ b/src/spans.ts
@@ -71,7 +71,7 @@ export function openTurnTransaction(
       [{ role: "user", content: prompt }],
       config.maxAttributeLength,
     );
-    agent.setAttribute("gen_ai.request.messages", messages);
+    agent.setAttribute("gen_ai.input.messages", messages);
   }
   return { root, agent };
 }
@@ -165,7 +165,7 @@ export function closeTurnSpan(
   }
   if (config.recordInputs && prompt) {
     chatSpan.setAttribute(
-      "gen_ai.request.messages",
+      "gen_ai.input.messages",
       serialize(
         [{ role: "user", content: prompt }],
         config.maxAttributeLength,
@@ -174,8 +174,11 @@ export function closeTurnSpan(
   }
   if (config.recordOutputs && response) {
     chatSpan.setAttribute(
-      "gen_ai.response.text",
-      serialize(response, config.maxAttributeLength),
+      "gen_ai.output.messages",
+      serialize(
+        [{ role: "assistant", content: response }],
+        config.maxAttributeLength,
+      ),
     );
   }
   if (tokenExtractionStatus) {
diff --git a/src/subagent.ts b/src/subagent.ts
index 398ce53..a342306 100644
--- a/src/subagent.ts
+++ b/src/subagent.ts
@@ -90,7 +90,7 @@ export function createSubagentSpan(
   };
   if (subagentType) attributes["gen_ai.agent.name"] = subagentType;
   if (description) attributes["gen_ai.agent.description"] = scrubString(truncate(description, maxAttrLen));
-  if (prompt) attributes["gen_ai.request.messages"] = scrubString(truncate(prompt, maxAttrLen));
+  if (prompt) attributes["gen_ai.input.messages"] = scrubString(truncate(prompt, maxAttrLen));
   if (event.tool_use_id) attributes["gen_ai.tool.call.id"] = event.tool_use_id;
 
   // Dual-namespaced on purpose: gen_ai.agent.* for generic OTel AI tooling,
diff --git a/tests/spans.test.ts b/tests/spans.test.ts
index 539c6af..3a8dce9 100644
--- a/tests/spans.test.ts
+++ b/tests/spans.test.ts
@@ -130,19 +130,19 @@ describe("openTurnTransaction attribute contract", () => {
     expect(root.attrs["process.pid"]).toBe(1234);
   });
 
-  it("attaches gen_ai.request.messages to the agent span when recordInputs is true and prompt provided", () => {
+  it("attaches gen_ai.input.messages to the agent span when recordInputs is true and prompt provided", () => {
     const sentry = makeFakeSentry();
     const cfg: ResolvedPluginConfig = { ...baseConfig, recordInputs: true };
     const turn = openTurnTransaction(sentry as never, "sess-1", 0, "hello world", baseTags, cfg);
     const agent = turn.agent as unknown as ReturnType<typeof makeFakeSpan>;
-    expect(agent.attrs["gen_ai.request.messages"]).toBeDefined();
+    expect(agent.attrs["gen_ai.input.messages"]).toBeDefined();
   });
 
-  it("does not attach gen_ai.request.messages when recordInputs is false", () => {
+  it("does not attach gen_ai.input.messages when recordInputs is false", () => {
     const sentry = makeFakeSentry();
     const turn = openTurnTransaction(sentry as never, "sess-1", 0, "hello world", baseTags, baseConfig);
     const agent = turn.agent as unknown as ReturnType<typeof makeFakeSpan>;
-    expect(agent.attrs["gen_ai.request.messages"]).toBeUndefined();
+    expect(agent.attrs["gen_ai.input.messages"]).toBeUndefined();
   });
 });
 
@@ -329,7 +329,7 @@ describe("closeTurnSpan attribute contract", () => {
     expect(chat!.attrs["claude_code.token_extraction.status"]).toBe("ok|matched_after_retry");
   });
 
-  it("mirrors gen_ai.request.messages onto the chat child when prompt + recordInputs (Sentry Conversations base filter requires input AND output on the same span)", () => {
+  it("mirrors gen_ai.input.messages onto the chat child when prompt + recordInputs (Sentry Conversations base filter requires input AND output on the same span)", () => {
     const sentry = makeFakeSentry();
     const cfg: ResolvedPluginConfig = { ...baseConfig, recordInputs: true, recordOutputs: true };
     const turn = openTurnTransaction(sentry as never, "sess-conv", 0, "hello world", baseTags, cfg);
@@ -341,12 +341,12 @@ describe("closeTurnSpan attribute contract", () => {
     }, cfg);
     const chat = sentry.spans.find(s => s.attrs["gen_ai.operation.name"] === "chat");
     expect(chat).toBeDefined();
-    expect(chat!.attrs["gen_ai.request.messages"]).toBeDefined();
-    expect(chat!.attrs["gen_ai.response.text"]).toBeDefined();
+    expect(chat!.attrs["gen_ai.input.messages"]).toBeDefined();
+    expect(chat!.attrs["gen_ai.output.messages"]).toBeDefined();
     expect(chat!.attrs["gen_ai.conversation.id"]).toBe("sess-conv");
   });
 
-  it("omits gen_ai.request.messages on the chat child when recordInputs is false", () => {
+  it("omits gen_ai.input.messages on the chat child when recordInputs is false", () => {
     const sentry = makeFakeSentry();
     const turn = openTurnTransaction(sentry as never, "sess-1", 0, null, baseTags, baseConfig);
     closeTurnSpan(sentry as never, turn as never, {
@@ -355,7 +355,7 @@ describe("closeTurnSpan attribute contract", () => {
       prompt: "hello world",
     }, baseConfig);
     const chat = sentry.spans.find(s => s.attrs["gen_ai.operation.name"] === "chat");
-    expect(chat!.attrs["gen_ai.request.messages"]).toBeUndefined();
+    expect(chat!.attrs["gen_ai.input.messages"]).toBeUndefined();
   });
 
   it("omits claude_code.token_extraction.status when undefined", () => {