diff --git a/changelog.md b/changelog.md
index acb8d89..2235c82 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## 2026-01-20 - 1.5.0 - feat(driveragent)
+preserve assistant reasoning in message history and update @push.rocks/smartai dependency to ^0.13.0
+
+- Store response.reasoning in messageHistory for assistant responses (two places in driveragent)
+- Bump dependency @push.rocks/smartai from ^0.12.0 to ^0.13.0
+
 ## 2026-01-20 - 1.4.2 - fix(repo)
 no changes detected in diff
 
diff --git a/package.json b/package.json
index d8588be..274448c 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
     "@types/node": "^25.0.2"
   },
   "dependencies": {
-    "@push.rocks/smartai": "^0.12.0",
+    "@push.rocks/smartai": "^0.13.0",
     "@push.rocks/smartbrowser": "^2.0.8",
     "@push.rocks/smartdeno": "^1.2.0",
     "@push.rocks/smartfs": "^1.2.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 0eb7341..75fe231 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -9,8 +9,8 @@ importers:
   .:
     dependencies:
       '@push.rocks/smartai':
-        specifier: ^0.12.0
-        version: 0.12.0(typescript@5.9.3)(ws@8.18.3)(zod@3.25.76)
+        specifier: ^0.13.0
+        version: 0.13.0(typescript@5.9.3)(ws@8.18.3)(zod@3.25.76)
       '@push.rocks/smartbrowser':
         specifier: ^2.0.8
         version: 2.0.8(typescript@5.9.3)
@@ -243,6 +243,10 @@ packages:
     resolution: {integrity: sha512-Q/N6JNWvIvPnLDvjlE1OUBLPQHH6l3CltCEsHIujp45zQUSSh8K+gHnaEX45yAT1nyngnINhvWtzN+Nb9D8RAQ==}
     engines: {node: '>=6.9.0'}
 
+  '@babel/runtime@7.28.6':
+    resolution: {integrity: sha512-05WQkdpL9COIMz4LjTxGpPNCdlpyimKppYNoJ5Di5EUObifl8t4tuLuUBBZEpoLYOmfvIWrsp9fCl0HoPRVTdA==}
+    engines: {node: '>=6.9.0'}
+
   '@borewit/text-codec@0.1.1':
     resolution: {integrity: sha512-5L/uBxmjaCIX5h8Z+uu+kA9BQLkc/Wl06UGR5ajNRxu+/XjonB5i8JpgFMrPj3LXTCPA0pv8yxUvbUi+QthGGA==}
 
@@ -267,6 +271,9 @@ packages:
   '@emnapi/runtime@1.7.1':
     resolution: {integrity: sha512-PVtJr5CmLwYAU9PZDMITZoR5iAOShYREoR45EyyLrbntV50mdePTgUn4AmOw90Ifcj+x2kRjdzr1HP3RrNiHGA==}
 
+  '@emnapi/runtime@1.8.1':
+    resolution: {integrity: sha512-mehfKSMWjjNol8659Z8KxEMrdSJDDot5SXMq00dM8BN4o+CLNXQ0xH2V7EchNHV4RmbZLmmPdEaXZc5H2FXmDg==}
+
   '@emnapi/wasi-threads@1.1.0':
     resolution: {integrity: sha512-WI0DdZ8xFSbgMjR1sFsKABJ/C5OnRrjT06JXbZKexJGrDuPTzZdDYfFlsgcCXCyf+suG5QU2e/y1Wo2V/OapLQ==}
 
@@ -837,8 +844,8 @@ packages:
   '@push.rocks/qenv@6.1.3':
     resolution: {integrity: sha512-+z2hsAU/7CIgpYLFqvda8cn9rUBMHqLdQLjsFfRn5jPoD7dJ5rFlpkbhfM4Ws8mHMniwWaxGKo+q/YBhtzRBLg==}
 
-  '@push.rocks/smartai@0.12.0':
-    resolution: {integrity: sha512-T4HRaSSxO6TQGGXlQeswX2eYkB+gMu0FbKF9qCUri6FdRlYzmPDn19jgPrPJxyg5m3oj6TzflvfYwcBCFlWo/A==}
+  '@push.rocks/smartai@0.13.0':
+    resolution: {integrity: sha512-Vy7GSLL3ejGsv4oxyUUovI1j0DgrRjxLDjM19WwMp6fehDHf8485WtwSLNm3kS4If+cVJbYXVJtjkaITVV3MLQ==}
 
   '@push.rocks/smartarchive@4.2.4':
     resolution: {integrity: sha512-uiqVAXPxmr8G5rv3uZvZFMOCt8l7cZC3nzvsy4YQqKf/VkPhKIEX+b7LkAeNlxPSYUiBQUkNRoawg9+5BaMcHg==}
@@ -4331,6 +4338,8 @@ snapshots:
 
   '@babel/runtime@7.28.4': {}
 
+  '@babel/runtime@7.28.6': {}
+
   '@borewit/text-codec@0.1.1': {}
 
   '@cloudflare/workers-types@4.20251202.0': {}
@@ -4395,6 +4404,11 @@ snapshots:
       tslib: 2.8.1
     optional: true
 
+  '@emnapi/runtime@1.8.1':
+    dependencies:
+      tslib: 2.8.1
+    optional: true
+
   '@emnapi/wasi-threads@1.1.0':
     dependencies:
       tslib: 2.8.1
@@ -4682,7 +4696,7 @@ snapshots:
 
   '@img/sharp-wasm32@0.34.5':
     dependencies:
-      '@emnapi/runtime': 1.7.1
+      '@emnapi/runtime': 1.8.1
     optional: true
 
   '@img/sharp-win32-arm64@0.34.5':
@@ -5158,7 +5172,7 @@ snapshots:
       '@push.rocks/smartlog': 3.1.10
       '@push.rocks/smartpath': 6.0.0
 
-  '@push.rocks/smartai@0.12.0(typescript@5.9.3)(ws@8.18.3)(zod@3.25.76)':
+  '@push.rocks/smartai@0.13.0(typescript@5.9.3)(ws@8.18.3)(zod@3.25.76)':
     dependencies:
       '@anthropic-ai/sdk': 0.71.2(zod@3.25.76)
       '@mistralai/mistralai': 1.12.0
@@ -7588,7 +7602,7 @@ snapshots:
 
   json-schema-to-ts@3.1.1:
     dependencies:
-      '@babel/runtime': 7.28.4
+      '@babel/runtime': 7.28.6
       ts-algebra: 2.0.0
 
   jsonfile@6.2.0:
diff --git a/ts/00_commitinfo_data.ts b/ts/00_commitinfo_data.ts
index f5814f7..b92be2f 100644
--- a/ts/00_commitinfo_data.ts
+++ b/ts/00_commitinfo_data.ts
@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@push.rocks/smartagent',
-  version: '1.4.2',
+  version: '1.5.0',
   description: 'an agentic framework built on top of @push.rocks/smartai'
 }
diff --git a/ts/smartagent.classes.driveragent.ts b/ts/smartagent.classes.driveragent.ts
index afe9350..5f044a7 100644
--- a/ts/smartagent.classes.driveragent.ts
+++ b/ts/smartagent.classes.driveragent.ts
@@ -121,10 +121,11 @@ export class DriverAgent {
       });
     }
 
-    // Add assistant response to history (store images if provided)
+    // Add assistant response to history (store images if provided, preserve reasoning for GPT-OSS)
     const historyMessage: plugins.smartai.ChatMessage = {
       role: 'assistant',
       content: response.message,
+      reasoning: response.reasoning,
     };
     this.messageHistory.push(historyMessage);
 
@@ -189,10 +190,11 @@ export class DriverAgent {
       });
     }
 
-    // Add assistant response to history
+    // Add assistant response to history (preserve reasoning for GPT-OSS)
     this.messageHistory.push({
       role: 'assistant',
       content: response.message,
+      reasoning: response.reasoning,
     });
 
     return {