diff --git a/packages/opencode/src/session/index.ts b/packages/opencode/src/session/index.ts
index a61cbe5c533..b2912e8223e 100644
--- a/packages/opencode/src/session/index.ts
+++ b/packages/opencode/src/session/index.ts
@@ -130,7 +130,18 @@ export namespace Session {
           additions: z.number(),
           deletions: z.number(),
           files: z.number(),
-          diffs: Snapshot.FileDiff.array().optional(),
+          // kilocode_change start - lightweight diff summary (no file contents)
+          diffs: z
+            .array(
+              z.object({
+                file: z.string(),
+                additions: z.number(),
+                deletions: z.number(),
+                status: z.enum(["added", "deleted", "modified"]).optional(),
+              }),
+            )
+            .optional(),
+          // kilocode_change end
         })
         .optional(),
       share: z
@@ -483,6 +494,7 @@ export namespace Session {
             summary_additions: input.summary?.additions,
             summary_deletions: input.summary?.deletions,
             summary_files: input.summary?.files,
+            summary_diffs: input.summary?.diffs ?? null, // kilocode_change
             time_updated: Date.now(),
           })
           .where(eq(SessionTable.id, input.sessionID))
diff --git a/packages/opencode/src/session/revert.ts b/packages/opencode/src/session/revert.ts
index ef9c7e2aace..46a52e49715 100644
--- a/packages/opencode/src/session/revert.ts
+++ b/packages/opencode/src/session/revert.ts
@@ -57,15 +57,27 @@ export namespace SessionRevert {
     if (revert) {
       const session = await Session.get(input.sessionID)
       revert.snapshot = session.revert?.snapshot ?? (await Snapshot.track())
-      await Snapshot.revert(patches)
-      if (revert.snapshot) revert.diff = await Snapshot.diff(revert.snapshot)
+
+      // kilocode_change start - compute diffs BEFORE reverting files so the diff
+      // reflects changes being undone (files on disk still have AI modifications)
       const rangeMessages = all.filter((msg) => msg.info.id >= revert!.messageID)
       const diffs = await SessionSummary.computeDiff({ messages: rangeMessages })
+      await Snapshot.revert(patches)
+      if (revert.snapshot) revert.diff = await Snapshot.diff(revert.snapshot)
+      // kilocode_change end
       await Storage.write(["session_diff", input.sessionID], diffs)
       Bus.publish(Session.Event.Diff, {
         sessionID: input.sessionID,
         diff: diffs,
       })
+      // kilocode_change start - strip full file contents before persisting to DB
+      const summaryDiffs = diffs.map((d) => ({
+        file: d.file,
+        additions: d.additions,
+        deletions: d.deletions,
+        status: d.status,
+      }))
+      // kilocode_change end
       return Session.setRevert({
         sessionID: input.sessionID,
         revert,
@@ -73,6 +85,7 @@ export namespace SessionRevert {
           additions: diffs.reduce((sum, x) => sum + x.additions, 0),
           deletions: diffs.reduce((sum, x) => sum + x.deletions, 0),
           files: diffs.length,
+          diffs: summaryDiffs, // kilocode_change
         },
       })
     }
diff --git a/packages/opencode/src/session/session.sql.ts b/packages/opencode/src/session/session.sql.ts
index 0630760f3bc..ff4f05ef8ea 100644
--- a/packages/opencode/src/session/session.sql.ts
+++ b/packages/opencode/src/session/session.sql.ts
@@ -25,7 +25,11 @@ export const SessionTable = sqliteTable(
     summary_additions: integer(),
     summary_deletions: integer(),
     summary_files: integer(),
-    summary_diffs: text({ mode: "json" }).$type<Snapshot.FileDiff[]>(),
+    // kilocode_change start - lightweight diff type (no file contents)
+    summary_diffs: text({ mode: "json" }).$type<
+      { file: string; additions: number; deletions: number; status?: "added" | "deleted" | "modified" }[]
+    >(),
+    // kilocode_change end
     revert: text({ mode: "json" }).$type<{ messageID: string; partID?: string; snapshot?: string; diff?: string }>(),
     permission: text({ mode: "json" }).$type<PermissionNext.Ruleset>(),
     ...Timestamps,
diff --git a/packages/sdk/js/src/v2/gen/types.gen.ts b/packages/sdk/js/src/v2/gen/types.gen.ts
index b22f7018043..0478e29df56 100644
--- a/packages/sdk/js/src/v2/gen/types.gen.ts
+++ b/packages/sdk/js/src/v2/gen/types.gen.ts
@@ -833,7 +833,12 @@ export type Session = {
     additions: number
     deletions: number
     files: number
-    diffs?: Array<FileDiff>
+    diffs?: Array<{
+      file: string
+      additions: number
+      deletions: number
+      status?: "added" | "deleted" | "modified"
+    }>
   }
   share?: {
     url: string
@@ -1749,7 +1754,12 @@ export type GlobalSession = {
     additions: number
     deletions: number
     files: number
-    diffs?: Array<FileDiff>
+    diffs?: Array<{
+      file: string
+      additions: number
+      deletions: number
+      status?: "added" | "deleted" | "modified"
+    }>
   }
   share?: {
     url: string
diff --git a/packages/sdk/openapi.json b/packages/sdk/openapi.json
index 7211c8fd359..c631974b276 100644
--- a/packages/sdk/openapi.json
+++ b/packages/sdk/openapi.json
@@ -5805,6 +5805,9 @@
                     },
                     "id": {
                       "type": "string"
+                    },
+                    "skipped": {
+                      "type": "boolean"
                     }
                   },
                   "required": [
@@ -5927,6 +5930,9 @@
                     },
                     "id": {
                       "type": "string"
+                    },
+                    "skipped": {
+                      "type": "boolean"
                     }
                   },
                   "required": [
@@ -6106,6 +6112,9 @@
                     },
                     "id": {
                       "type": "string"
+                    },
+                    "skipped": {
+                      "type": "boolean"
                     }
                   },
                   "required": [
@@ -6368,6 +6377,9 @@
                     },
                     "id": {
                       "type": "string"
+                    },
+                    "skipped": {
+                      "type": "boolean"
                     }
                   },
                   "required": [
@@ -12487,7 +12499,31 @@
               "diffs": {
                 "type": "array",
                 "items": {
-                  "$ref": "#/components/schemas/FileDiff"
+                  "type": "object",
+                  "properties": {
+                    "file": {
+                      "type": "string"
+                    },
+                    "additions": {
+                      "type": "number"
+                    },
+                    "deletions": {
+                      "type": "number"
+                    },
+                    "status": {
+                      "type": "string",
+                      "enum": [
+                        "added",
+                        "deleted",
+                        "modified"
+                      ]
+                    }
+                  },
+                  "required": [
+                    "file",
+                    "additions",
+                    "deletions"
+                  ]
                 }
               }
             },
@@ -13975,6 +14011,10 @@
             "description": "@deprecated Use 'share' field instead. Share newly created sessions automatically",
             "type": "boolean"
           },
+          "remote_control": {
+            "description": "Enable remote control of sessions via Kilo Cloud. Equivalent to running /remote on startup.",
+            "type": "boolean"
+          },
           "autoupdate": {
             "description": "Automatically update to the latest version. Set to true to auto-update, false to disable, or 'notify' to show update notifications",
             "anyOf": [
@@ -15061,7 +15101,31 @@
               "diffs": {
                 "type": "array",
                 "items": {
-                  "$ref": "#/components/schemas/FileDiff"
+                  "type": "object",
+                  "properties": {
+                    "file": {
+                      "type": "string"
+                    },
+                    "additions": {
+                      "type": "number"
+                    },
+                    "deletions": {
+                      "type": "number"
+                    },
+                    "status": {
+                      "type": "string",
+                      "enum": [
+                        "added",
+                        "deleted",
+                        "modified"
+                      ]
+                    }
+                  },
+                  "required": [
+                    "file",
+                    "additions",
+                    "deletions"
+                  ]
                 }
               }
             },