diff --git a/DIVERGENCES.md b/DIVERGENCES.md
index 53ebda0cc6..90c734ca50 100644
--- a/DIVERGENCES.md
+++ b/DIVERGENCES.md
@@ -25,6 +25,12 @@ future `packages/codev-*`) never conflict and are not tracked here.
 | `packages/tui/src/theme/assets/opencode.json` | `darkSecondary` → `#00cdcd` (banner cyan); `lightSecondary` → `#009999` (darker for light-bg contrast) | Brand accent: first agent ("Build") label + prompt border derive from `secondary`. | Keep our two color values; take upstream's other theme changes. |
 | `packages/opencode/src/cli/ui.ts` | `wordmark`/`logo()` render the hub-style CODEV banner (bold bright cyan on TTY) | Help banner matches the hub CLI banner. | Keep our wordmark + logo(); take upstream's surrounding changes. |
 | `packages/tui/src/util/presentation.ts` | Local logo copy replaced by the shared CODEV `banner` (cyan) | Presentation-mode wordmark was still upstream-branded. | Keep our wordmark(); take upstream's surrounding changes. |
+| `packages/opencode/src/cli/cmd/*.ts` (tui, run, serve, attach, pr, upgrade, uninstall, web) | Help `describe` strings "opencode" → "codev" | `--help` is the first thing users read. | Keep our strings. |
+| `packages/tui/src/app.tsx` | Terminal title "OpenCode"/"OC \|" → "CoDev Code"/"CC \|" | Tab title branding. | Keep our strings. |
+| `packages/tui/src/routes/session/permission.tsx`, `packages/opencode/src/cli/cmd/run/permission.shared.ts`, `packages/tui/src/component/error-component.tsx`, `packages/opencode/src/cli/cmd/run/splash.ts` | Visible sentences/badges "OpenCode"/"opencode" → "CoDev Code"/"codev-code" | User-facing copy. | Keep our strings. |
+| `packages/opencode/src/installation/index.ts` | Updater detects/queries/installs `codev-code` (npm-family); GitHub fallback → quickbeard/codev-code | `codev-code upgrade` and the update notification target OUR npm package, never stock opencode. brew/choco/scoop probes never match (no such packages). | Keep our package names. |
+| `packages/opencode/src/config/config.ts` | `share` defaults to `"disabled"` when unset | Sharing publishes sessions to upstream's share service; internal users must opt in via config. | Keep our default block. |
+| `packages/tui/src/component/dialog-provider.tsx`, `packages/opencode/src/cli/cmd/providers.ts` | Filter `opencode`/`opencode-go` out of provider pickers | Upstream's hosted offerings (Zen/Go) are detours for gateway users. | Keep our filters. |
 | `packages/app/index.html` | `<title>` → "CoDev Code" | Web UI tab title. | Keep our title. |
 | `packages/app/src/desktop-menu.ts`, `packages/app/src/components/windows-app-menu.tsx` | App-menu label "OpenCode" → "CoDev Code" | Visible menu branding. | Keep our labels. |
 | `packages/desktop/src/main/index.ts`, `packages/desktop/src/main/windows.ts` | APP_NAMES + window title → "CoDev Code" (Dev/Beta variants too) | Desktop app display name. | Keep our names. |
diff --git a/packages/opencode/script/publish.ts b/packages/opencode/script/publish.ts
index 50d2399296..d6f75ab35d 100755
--- a/packages/opencode/script/publish.ts
+++ b/packages/opencode/script/publish.ts
@@ -44,6 +44,28 @@ await $`mkdir -p ./dist/${pkg.name}`
 await $`mkdir -p ./dist/${pkg.name}/bin`
 await $`cp ./script/postinstall.mjs ./dist/${pkg.name}/postinstall.mjs`
 await Bun.file(`./dist/${pkg.name}/LICENSE`).write(await Bun.file("../../LICENSE").text())
+await Bun.file(`./dist/${pkg.name}/README.md`).write(
+  [
+    "# CoDev Code",
+    "",
+    "The AI coding agent of the CoDev ecosystem — a fork of [opencode](https://github.com/anomalyco/opencode).",
+    "",
+    "The recommended install path is the CoDev hub, which also wires up the AI gateway:",
+    "",
+    "```sh",
+    "npm install -g codev-ai",
+    "codev install",
+    "```",
+    "",
+    "Direct install:",
+    "",
+    "```sh",
+    "npm install -g codev-code",
+    "codev-code",
+    "```",
+    "",
+  ].join("\n"),
+)
 await Bun.file(`./dist/${pkg.name}/bin/${pkg.name}.exe`).write(
   [
     `echo "Error: ${PUBLISH_NAME}'s postinstall script was not run." >&2`,
@@ -64,6 +86,11 @@ await Bun.file(`./dist/${pkg.name}/package.json`).write(
   JSON.stringify(
     {
       name: PUBLISH_NAME,
+      description: "CoDev Code — the AI coding agent of the CoDev ecosystem (a fork of opencode)",
+      repository: {
+        type: "git",
+        url: "git+https://github.com/quickbeard/codev-code.git",
+      },
       bin: {
         "codev-code": `./bin/${pkg.name}.exe`,
       },
diff --git a/packages/opencode/src/cli/cmd/attach.ts b/packages/opencode/src/cli/cmd/attach.ts
index 6f5aea6a12..d0219acf88 100644
--- a/packages/opencode/src/cli/cmd/attach.ts
+++ b/packages/opencode/src/cli/cmd/attach.ts
@@ -6,7 +6,7 @@ import { ServerAuth } from "@/server/auth"
 
 export const AttachCommand = cmd({
   command: "attach <url>",
-  describe: "attach to a running opencode server",
+  describe: "attach to a running codev server",
   builder: (yargs) =>
     yargs
       .positional("url", {
diff --git a/packages/opencode/src/cli/cmd/pr.ts b/packages/opencode/src/cli/cmd/pr.ts
index 4209722357..fe08aca595 100644
--- a/packages/opencode/src/cli/cmd/pr.ts
+++ b/packages/opencode/src/cli/cmd/pr.ts
@@ -7,7 +7,7 @@ import { Process } from "@/util/process"
 
 export const PrCommand = effectCmd({
   command: "pr <number>",
-  describe: "fetch and checkout a GitHub PR branch, then run opencode",
+  describe: "fetch and checkout a GitHub PR branch, then run codev",
   builder: (yargs) =>
     yargs.positional("number", {
       type: "number",
diff --git a/packages/opencode/src/cli/cmd/providers.ts b/packages/opencode/src/cli/cmd/providers.ts
index 3775123d83..57ae2c3a8f 100644
--- a/packages/opencode/src/cli/cmd/providers.ts
+++ b/packages/opencode/src/cli/cmd/providers.ts
@@ -6,7 +6,7 @@ import { UI } from "../ui"
 import * as Prompt from "../effect/prompt"
 import { ModelsDev } from "@opencode-ai/core/models-dev"
 
-import { map, pipe, sortBy, values } from "remeda"
+import { filter, map, pipe, sortBy, values } from "remeda"
 import path from "path"
 import os from "os"
 import { Config } from "@/config/config"
@@ -388,6 +388,9 @@ export const ProvidersLoginCommand = effectCmd({
       ...pipe(
         providers,
         values(),
+        // Fork: hide upstream's hosted offering — internal users are on the
+        // CoDev gateway, configured by the codev hub.
+        filter((x) => x.id !== "opencode" && x.id !== "opencode-go"),
         sortBy(
           (x) => priority[x.id] ?? 99,
           (x) => x.name ?? x.id,
diff --git a/packages/opencode/src/cli/cmd/run.ts b/packages/opencode/src/cli/cmd/run.ts
index 3927f615a0..06903b3fe5 100644
--- a/packages/opencode/src/cli/cmd/run.ts
+++ b/packages/opencode/src/cli/cmd/run.ts
@@ -125,7 +125,7 @@ async function toolError(part: ToolPart) {
 
 export const RunCommand = effectCmd({
   command: "run [message..]",
-  describe: "run opencode with a message",
+  describe: "run codev with a message",
   // --attach connects to a remote server (no local instance needed); the
   // default path runs an in-process server and needs the project instance.
   instance: (args) => !args.attach,
@@ -189,7 +189,7 @@ export const RunCommand = effectCmd({
       })
       .option("attach", {
         type: "string",
-        describe: "attach to a running opencode server (e.g., http://localhost:4096)",
+        describe: "attach to a running codev server (e.g., http://localhost:4096)",
       })
       .option("password", {
         alias: ["p"],
diff --git a/packages/opencode/src/cli/cmd/run/permission.shared.ts b/packages/opencode/src/cli/cmd/run/permission.shared.ts
index 6ebdbd090c..6bba4b1bd7 100644
--- a/packages/opencode/src/cli/cmd/run/permission.shared.ts
+++ b/packages/opencode/src/cli/cmd/run/permission.shared.ts
@@ -129,7 +129,7 @@ export function permissionAlwaysLines(request: PermissionRequest): string[] {
   }
 
   return [
-    "This will allow the following patterns until OpenCode is restarted.",
+    "This will allow the following patterns until CoDev Code is restarted.",
     ...request.always.map((item) => `- ${item}`),
   ]
 }
diff --git a/packages/opencode/src/cli/cmd/run/splash.ts b/packages/opencode/src/cli/cmd/run/splash.ts
index 141ff6fc55..17cdc1976c 100644
--- a/packages/opencode/src/cli/cmd/run/splash.ts
+++ b/packages/opencode/src/cli/cmd/run/splash.ts
@@ -194,7 +194,7 @@ function build(input: SplashWriterInput, kind: "entry" | "exit", ctx: Scrollback
       })
     }
 
-    push(lines, body_left, top, "OpenCode", right, undefined, TextAttributes.BOLD)
+    push(lines, body_left, top, "CoDev Code", right, undefined, TextAttributes.BOLD)
     if (input.detail) {
       push(
         lines,
diff --git a/packages/opencode/src/cli/cmd/serve.ts b/packages/opencode/src/cli/cmd/serve.ts
index c0f62b3ca0..3058485c7a 100644
--- a/packages/opencode/src/cli/cmd/serve.ts
+++ b/packages/opencode/src/cli/cmd/serve.ts
@@ -6,7 +6,7 @@ import { Flag } from "@opencode-ai/core/flag/flag"
 export const ServeCommand = effectCmd({
   command: "serve",
   builder: (yargs) => withNetworkOptions(yargs),
-  describe: "starts a headless opencode server",
+  describe: "starts a headless codev server",
   // Server loads instances per-request via x-opencode-directory header — no
   // need for an ambient project InstanceContext at startup.
   instance: false,
diff --git a/packages/opencode/src/cli/cmd/tui.ts b/packages/opencode/src/cli/cmd/tui.ts
index 6a9af10040..3194c6e712 100644
--- a/packages/opencode/src/cli/cmd/tui.ts
+++ b/packages/opencode/src/cli/cmd/tui.ts
@@ -71,12 +71,12 @@ export function resolveThreadDirectory(project?: string, envPWD = process.env.PW
 
 export const TuiThreadCommand = cmd({
   command: "$0 [project]",
-  describe: "start opencode tui",
+  describe: "start codev tui",
   builder: (yargs) =>
     withNetworkOptions(yargs)
       .positional("project", {
         type: "string",
-        describe: "path to start opencode in",
+        describe: "path to start codev in",
       })
       .option("model", {
         type: "string",
diff --git a/packages/opencode/src/cli/cmd/uninstall.ts b/packages/opencode/src/cli/cmd/uninstall.ts
index 0afdc51854..0a004d53cd 100644
--- a/packages/opencode/src/cli/cmd/uninstall.ts
+++ b/packages/opencode/src/cli/cmd/uninstall.ts
@@ -24,7 +24,7 @@ interface RemovalTargets {
 
 export const UninstallCommand = {
   command: "uninstall",
-  describe: "uninstall opencode and remove all related files",
+  describe: "uninstall codev and remove all related files",
   builder: (yargs: Argv) =>
     yargs
       .option("keep-config", {
diff --git a/packages/opencode/src/cli/cmd/upgrade.ts b/packages/opencode/src/cli/cmd/upgrade.ts
index 3c1604a0b8..7de0339de3 100644
--- a/packages/opencode/src/cli/cmd/upgrade.ts
+++ b/packages/opencode/src/cli/cmd/upgrade.ts
@@ -6,7 +6,7 @@ import { InstallationVersion } from "@opencode-ai/core/installation/version"
 
 export const UpgradeCommand = {
   command: "upgrade [target]",
-  describe: "upgrade opencode to the latest or a specific version",
+  describe: "upgrade codev to the latest or a specific version",
   builder: (yargs: Argv) => {
     return yargs
       .positional("target", {
diff --git a/packages/opencode/src/cli/cmd/web.ts b/packages/opencode/src/cli/cmd/web.ts
index 69a981aada..4483aa9942 100644
--- a/packages/opencode/src/cli/cmd/web.ts
+++ b/packages/opencode/src/cli/cmd/web.ts
@@ -31,7 +31,7 @@ function getNetworkIPs() {
 export const WebCommand = effectCmd({
   command: "web",
   builder: (yargs) => withNetworkOptions(yargs),
-  describe: "start opencode server and open web interface",
+  describe: "start codev server and open web interface",
   // Server loads instances per-request via x-opencode-directory header — no
   // ambient project InstanceContext needed at startup.
   instance: false,
diff --git a/packages/opencode/src/config/config.ts b/packages/opencode/src/config/config.ts
index 86238f1a84..6e8037ec08 100644
--- a/packages/opencode/src/config/config.ts
+++ b/packages/opencode/src/config/config.ts
@@ -576,6 +576,12 @@ const layer = Layer.effect(
           result.share = "auto"
         }
 
+        // Fork: sharing publishes sessions to upstream's share service. Default
+        // it OFF; set share: "manual" or "auto" in config to opt back in.
+        if (!result.share) {
+          result.share = "disabled"
+        }
+
         if (Flag.OPENCODE_DISABLE_AUTOCOMPACT) {
           result.compaction = { ...result.compaction, auto: false }
         }
diff --git a/packages/opencode/src/installation/index.ts b/packages/opencode/src/installation/index.ts
index 4300220255..f6d0787269 100644
--- a/packages/opencode/src/installation/index.ts
+++ b/packages/opencode/src/installation/index.ts
@@ -197,7 +197,7 @@ const layer: Layer.Layer<Service, never, HttpClient.HttpClient | AppProcess.Serv
         for (const check of checks) {
           const output = yield* check.command()
           const installedName =
-            check.name === "brew" || check.name === "choco" || check.name === "scoop" ? "opencode" : "opencode-ai"
+            "codev-code" // fork: our npm package; brew/choco/scoop ship no codev-code, so those probes never match
           if (output.includes(installedName)) {
             return check.name
           }
@@ -227,7 +227,7 @@ const layer: Layer.Layer<Service, never, HttpClient.HttpClient | AppProcess.Serv
         if (detectedMethod === "npm" || detectedMethod === "bun" || detectedMethod === "pnpm") {
           const response = yield* httpOk.execute(
             HttpClientRequest.get(
-              `${yield* NpmConfig.registry(process.cwd())}/opencode-ai/${InstallationChannel}`,
+              `${yield* NpmConfig.registry(process.cwd())}/codev-code/${InstallationChannel}`,
             ).pipe(HttpClientRequest.acceptJson),
           )
           const data = yield* HttpClientResponse.schemaBodyJson(NpmPackage)(response)
@@ -255,7 +255,7 @@ const layer: Layer.Layer<Service, never, HttpClient.HttpClient | AppProcess.Serv
         }
 
         const response = yield* httpOk.execute(
-          HttpClientRequest.get("https://api.github.com/repos/anomalyco/opencode/releases/latest").pipe(
+          HttpClientRequest.get("https://api.github.com/repos/quickbeard/codev-code/releases/latest").pipe(
             HttpClientRequest.acceptJson,
           ),
         )
@@ -269,13 +269,13 @@ const layer: Layer.Layer<Service, never, HttpClient.HttpClient | AppProcess.Serv
             upgradeResult = yield* upgradeCurl(target)
             break
           case "npm":
-            upgradeResult = yield* run(["npm", "install", "-g", `opencode-ai@${target}`])
+            upgradeResult = yield* run(["npm", "install", "-g", `codev-code@${target}`])
             break
           case "pnpm":
-            upgradeResult = yield* run(["pnpm", "install", "-g", `opencode-ai@${target}`])
+            upgradeResult = yield* run(["pnpm", "install", "-g", `codev-code@${target}`])
             break
           case "bun":
-            upgradeResult = yield* run(["bun", "install", "-g", `opencode-ai@${target}`])
+            upgradeResult = yield* run(["bun", "install", "-g", `codev-code@${target}`])
             break
           case "brew": {
             const formula = yield* getBrewFormula()
diff --git a/packages/opencode/test/installation/installation.test.ts b/packages/opencode/test/installation/installation.test.ts
index 3d4b4cba31..dc7bc6376b 100644
--- a/packages/opencode/test/installation/installation.test.ts
+++ b/packages/opencode/test/installation/installation.test.ts
@@ -96,7 +96,7 @@ describe("installation", () => {
       Effect.gen(function* () {
         const result = yield* Installation.use.latest("npm")
         expect(result).toBe("1.5.0")
-        expect(npmCalls).toContain(`https://registry.npmjs.org/opencode-ai/${InstallationChannel}`)
+        expect(npmCalls).toContain(`https://registry.npmjs.org/codev-code/${InstallationChannel}`)
       }),
     )
 
@@ -110,7 +110,7 @@ describe("installation", () => {
       Effect.gen(function* () {
         const result = yield* Installation.use.latest("bun")
         expect(result).toBe("1.6.0")
-        expect(bunCalls).toContain(`https://registry.npmjs.org/opencode-ai/${InstallationChannel}`)
+        expect(bunCalls).toContain(`https://registry.npmjs.org/codev-code/${InstallationChannel}`)
       }),
     )
 
@@ -124,7 +124,7 @@ describe("installation", () => {
       Effect.gen(function* () {
         const result = yield* Installation.use.latest("pnpm")
         expect(result).toBe("1.7.0")
-        expect(pnpmCalls).toContain(`https://registry.npmjs.org/opencode-ai/${InstallationChannel}`)
+        expect(pnpmCalls).toContain(`https://registry.npmjs.org/codev-code/${InstallationChannel}`)
       }),
     )
 
diff --git a/packages/tui/src/app.tsx b/packages/tui/src/app.tsx
index 57f372ef70..515e046c6a 100644
--- a/packages/tui/src/app.tsx
+++ b/packages/tui/src/app.tsx
@@ -454,24 +454,24 @@ function App(props: { onSnapshot?: () => Promise<string[]>; pluginHost: TuiPlugi
     if (!terminalTitleEnabled() || Flag.OPENCODE_DISABLE_TERMINAL_TITLE) return
 
     if (route.data.type === "home") {
-      renderer.setTerminalTitle("OpenCode")
+      renderer.setTerminalTitle("CoDev Code")
       return
     }
 
     if (route.data.type === "session") {
       const session = sync.session.get(route.data.sessionID)
       if (!session || isDefaultTitle(session.title)) {
-        renderer.setTerminalTitle("OpenCode")
+        renderer.setTerminalTitle("CoDev Code")
         return
       }
 
       const title = session.title.length > 40 ? session.title.slice(0, 37) + "..." : session.title
-      renderer.setTerminalTitle(`OC | ${title}`)
+      renderer.setTerminalTitle(`CC | ${title}`)
       return
     }
 
     if (route.data.type === "plugin") {
-      renderer.setTerminalTitle(`OC | ${route.data.id}`)
+      renderer.setTerminalTitle(`CC | ${route.data.id}`)
     }
   })
 
diff --git a/packages/tui/src/component/dialog-provider.tsx b/packages/tui/src/component/dialog-provider.tsx
index 0fd51e3c1c..791fd873d4 100644
--- a/packages/tui/src/component/dialog-provider.tsx
+++ b/packages/tui/src/component/dialog-provider.tsx
@@ -47,7 +47,9 @@ type ProviderOption =
 export function providerOptions(list: { id: string; name: string }[]): ProviderOption[] {
   return [
     ...pipe(
-      list,
+      // Fork: hide upstream's hosted offerings (Zen / Go) — internal users are
+      // on the CoDev gateway, configured by the codev hub.
+      list.filter((x) => x.id !== "opencode" && x.id !== "opencode-go"),
       sortBy(
         (x) => PROVIDER_PRIORITY[x.id] ?? 99,
         (x) => x.name.toLowerCase(),
diff --git a/packages/tui/src/component/error-component.tsx b/packages/tui/src/component/error-component.tsx
index 1141da8382..5fa9262d71 100644
--- a/packages/tui/src/component/error-component.tsx
+++ b/packages/tui/src/component/error-component.tsx
@@ -192,7 +192,7 @@ export function ErrorComponent(props: { error: Error; reset: () => void; mode?:
                 ? "Report copied — paste it into a new GitHub issue."
                 : "Copy the report and open a GitHub issue to help us fix this."}
             </text>
-            <text fg={colors.muted}>opencode {InstallationVersion}</text>
+            <text fg={colors.muted}>codev-code {InstallationVersion}</text>
           </box>
         </Show>
       </box>
diff --git a/packages/tui/src/routes/session/permission.tsx b/packages/tui/src/routes/session/permission.tsx
index 766ed3c116..fc36cfb000 100644
--- a/packages/tui/src/routes/session/permission.tsx
+++ b/packages/tui/src/routes/session/permission.tsx
@@ -145,7 +145,7 @@ export function PermissionPrompt(props: { request: PermissionRequest; directory?
               </Match>
               <Match when={true}>
                 <box paddingLeft={1} gap={1}>
-                  <text fg={theme.textMuted}>This will allow the following patterns until OpenCode is restarted</text>
+                  <text fg={theme.textMuted}>This will allow the following patterns until CoDev Code is restarted</text>
                   <box>
                     <For each={props.request.always}>
                       {(pattern) => (
@@ -483,7 +483,7 @@ function RejectPrompt(props: { onConfirm: (message: string) => void; onCancel: (
           <text fg={theme.text}>Reject permission</text>
         </box>
         <box paddingLeft={1}>
-          <text fg={theme.textMuted}>Tell OpenCode what to do differently</text>
+          <text fg={theme.textMuted}>Tell CoDev Code what to do differently</text>
         </box>
       </box>
       <box