diff --git a/packages/lib/src/core/templates-entrypoint/codex-resume-hint.ts b/packages/lib/src/core/templates-entrypoint/codex-resume-hint.ts
new file mode 100644
index 0000000..0b09a66
--- /dev/null
+++ b/packages/lib/src/core/templates-entrypoint/codex-resume-hint.ts
@@ -0,0 +1,98 @@
+import type { TemplateConfig } from "../domain.js"
+
+const escapeForDoubleQuotes = (value: string): string => {
+  const backslash = String.fromCodePoint(92)
+  return value
+    .replaceAll(backslash, `${backslash}${backslash}`)
+    .replaceAll(String.fromCodePoint(34), `${backslash}${String.fromCodePoint(34)}`)
+}
+
+const entrypointCodexResumeHintTemplate = `# Ensure codex resume hint is shown for interactive shells
+CODEX_HINT_PATH="/etc/profile.d/zz-codex-resume.sh"
+if [[ ! -s "$CODEX_HINT_PATH" ]]; then
+  cat <<'EOF' > "$CODEX_HINT_PATH"
+docker_git_workspace_context_line() {
+  REPO_REF_VALUE="\${REPO_REF:-__REPO_REF_DEFAULT__}"
+  REPO_URL_VALUE="\${REPO_URL:-__REPO_URL_DEFAULT__}"
+
+  if [[ "$REPO_REF_VALUE" == issue-* ]]; then
+    ISSUE_ID_VALUE="$(printf "%s" "$REPO_REF_VALUE" | sed -E 's#^issue-##')"
+    ISSUE_URL_VALUE=""
+    if [[ "$REPO_URL_VALUE" == https://github.com/* ]]; then
+      ISSUE_REPO_VALUE="$(printf "%s" "$REPO_URL_VALUE" | sed -E 's#^https://github.com/##; s#[.]git$##; s#/*$##')"
+      if [[ -n "$ISSUE_REPO_VALUE" ]]; then
+        ISSUE_URL_VALUE="https://github.com/$ISSUE_REPO_VALUE/issues/$ISSUE_ID_VALUE"
+      fi
+    fi
+    if [[ -n "$ISSUE_URL_VALUE" ]]; then
+      printf "%s\n" "Контекст workspace: issue #$ISSUE_ID_VALUE ($ISSUE_URL_VALUE)"
+    else
+      printf "%s\n" "Контекст workspace: issue #$ISSUE_ID_VALUE"
+    fi
+    return
+  fi
+
+  if [[ "$REPO_REF_VALUE" == refs/pull/*/head ]]; then
+    PR_ID_VALUE="$(printf "%s" "$REPO_REF_VALUE" | sed -nE 's#^refs/pull/([0-9]+)/head$#\\1#p')"
+    PR_URL_VALUE=""
+    if [[ "$REPO_URL_VALUE" == https://github.com/* && -n "$PR_ID_VALUE" ]]; then
+      PR_REPO_VALUE="$(printf "%s" "$REPO_URL_VALUE" | sed -E 's#^https://github.com/##; s#[.]git$##; s#/*$##')"
+      if [[ -n "$PR_REPO_VALUE" ]]; then
+        PR_URL_VALUE="https://github.com/$PR_REPO_VALUE/pull/$PR_ID_VALUE"
+      fi
+    fi
+    if [[ -n "$PR_ID_VALUE" && -n "$PR_URL_VALUE" ]]; then
+      printf "%s\n" "Контекст workspace: PR #$PR_ID_VALUE ($PR_URL_VALUE)"
+    elif [[ -n "$PR_ID_VALUE" ]]; then
+      printf "%s\n" "Контекст workspace: PR #$PR_ID_VALUE"
+    elif [[ -n "$REPO_REF_VALUE" ]]; then
+      printf "%s\n" "Контекст workspace: pull request ($REPO_REF_VALUE)"
+    fi
+    return
+  fi
+
+  if [[ -n "$REPO_URL_VALUE" ]]; then
+    printf "%s\n" "Контекст workspace: $REPO_URL_VALUE"
+  fi
+}
+
+docker_git_print_codex_resume_hint() {
+  if [ -z "\${CODEX_RESUME_HINT_SHOWN-}" ]; then
+    DOCKER_GIT_CONTEXT_LINE="$(docker_git_workspace_context_line)"
+    if [[ -n "$DOCKER_GIT_CONTEXT_LINE" ]]; then
+      echo "$DOCKER_GIT_CONTEXT_LINE"
+    fi
+    echo "Старые сессии можно запустить с помощью codex resume или codex resume <id>, если знаешь айди."
+    export CODEX_RESUME_HINT_SHOWN=1
+  fi
+}
+
+if [ -n "$BASH_VERSION" ]; then
+  case "$-" in
+    *i*)
+      docker_git_print_codex_resume_hint
+      ;;
+  esac
+fi
+if [ -n "$ZSH_VERSION" ]; then
+  if [[ "$-" == *i* ]]; then
+    docker_git_print_codex_resume_hint
+  fi
+fi
+EOF
+  chmod 0644 "$CODEX_HINT_PATH"
+fi
+if ! grep -q "zz-codex-resume.sh" /etc/bash.bashrc 2>/dev/null; then
+  printf "%s\\n" "if [ -f /etc/profile.d/zz-codex-resume.sh ]; then . /etc/profile.d/zz-codex-resume.sh; fi" >> /etc/bash.bashrc
+fi
+if [[ -s /etc/zsh/zshrc ]] && ! grep -q "zz-codex-resume.sh" /etc/zsh/zshrc 2>/dev/null; then
+  printf "%s\\n" "if [ -f /etc/profile.d/zz-codex-resume.sh ]; then source /etc/profile.d/zz-codex-resume.sh; fi" >> /etc/zsh/zshrc
+fi`
+
+// PURITY: CORE
+// INVARIANT: rendered output contains shell-escaped repo ref and url placeholders
+// COMPLEXITY: O(1)
+export const renderEntrypointCodexResumeHint = (config: TemplateConfig): string =>
+  entrypointCodexResumeHintTemplate
+    .replaceAll("__REPO_REF_DEFAULT__", escapeForDoubleQuotes(config.repoRef))
+    .replaceAll("__REPO_URL_DEFAULT__", escapeForDoubleQuotes(config.repoUrl))
diff --git a/packages/lib/src/core/templates-entrypoint/codex.ts b/packages/lib/src/core/templates-entrypoint/codex.ts
index 2a1cb2b..20edb11 100644
--- a/packages/lib/src/core/templates-entrypoint/codex.ts
+++ b/packages/lib/src/core/templates-entrypoint/codex.ts
@@ -1,4 +1,5 @@
 import type { TemplateConfig } from "../domain.js"
+export { renderEntrypointCodexResumeHint } from "./codex-resume-hint.js"
 
 export const renderEntrypointCodexHome = (config: TemplateConfig): string =>
   `# Ensure Codex home exists if mounted
@@ -65,8 +66,6 @@ else
     cat <<'EOF' > "$CODEX_CONFIG_FILE"
 # docker-git codex config
 model = "gpt-5.4"
-model_context_window = 1050000
-model_auto_compact_token_limit = 945000
 model_reasoning_effort = "xhigh"
 plan_mode_reasoning_effort = "xhigh"
 personality = "pragmatic"
@@ -80,6 +79,13 @@ shell_snapshot = true
 multi_agent = true
 apps = true
 shell_tool = true
+
+[profiles.longcontx]
+model = "gpt-5.4"
+model_context_window = 1050000
+model_auto_compact_token_limit = 945000
+model_reasoning_effort = "xhigh"
+plan_mode_reasoning_effort = "xhigh"
 EOF
     chown 1000:1000 "$CODEX_CONFIG_FILE" || true
   fi
@@ -114,100 +120,6 @@ export const renderEntrypointMcpPlaywright = (config: TemplateConfig): string =>
     .replaceAll("__CODEX_HOME__", config.codexHome)
     .replaceAll("__SERVICE_NAME__", config.serviceName)
 
-const entrypointCodexResumeHintTemplate = `# Ensure codex resume hint is shown for interactive shells
-CODEX_HINT_PATH="/etc/profile.d/zz-codex-resume.sh"
-if [[ ! -s "$CODEX_HINT_PATH" ]]; then
-  cat <<'EOF' > "$CODEX_HINT_PATH"
-docker_git_workspace_context_line() {
-  REPO_REF_VALUE="\${REPO_REF:-__REPO_REF_DEFAULT__}"
-  REPO_URL_VALUE="\${REPO_URL:-__REPO_URL_DEFAULT__}"
-
-  if [[ "$REPO_REF_VALUE" == issue-* ]]; then
-    ISSUE_ID_VALUE="$(printf "%s" "$REPO_REF_VALUE" | sed -E 's#^issue-##')"
-    ISSUE_URL_VALUE=""
-    if [[ "$REPO_URL_VALUE" == https://github.com/* ]]; then
-      ISSUE_REPO_VALUE="$(printf "%s" "$REPO_URL_VALUE" | sed -E 's#^https://github.com/##; s#[.]git$##; s#/*$##')"
-      if [[ -n "$ISSUE_REPO_VALUE" ]]; then
-        ISSUE_URL_VALUE="https://github.com/$ISSUE_REPO_VALUE/issues/$ISSUE_ID_VALUE"
-      fi
-    fi
-    if [[ -n "$ISSUE_URL_VALUE" ]]; then
-      printf "%s\n" "Контекст workspace: issue #$ISSUE_ID_VALUE ($ISSUE_URL_VALUE)"
-    else
-      printf "%s\n" "Контекст workspace: issue #$ISSUE_ID_VALUE"
-    fi
-    return
-  fi
-
-  if [[ "$REPO_REF_VALUE" == refs/pull/*/head ]]; then
-    PR_ID_VALUE="$(printf "%s" "$REPO_REF_VALUE" | sed -nE 's#^refs/pull/([0-9]+)/head$#\\1#p')"
-    PR_URL_VALUE=""
-    if [[ "$REPO_URL_VALUE" == https://github.com/* && -n "$PR_ID_VALUE" ]]; then
-      PR_REPO_VALUE="$(printf "%s" "$REPO_URL_VALUE" | sed -E 's#^https://github.com/##; s#[.]git$##; s#/*$##')"
-      if [[ -n "$PR_REPO_VALUE" ]]; then
-        PR_URL_VALUE="https://github.com/$PR_REPO_VALUE/pull/$PR_ID_VALUE"
-      fi
-    fi
-    if [[ -n "$PR_ID_VALUE" && -n "$PR_URL_VALUE" ]]; then
-      printf "%s\n" "Контекст workspace: PR #$PR_ID_VALUE ($PR_URL_VALUE)"
-    elif [[ -n "$PR_ID_VALUE" ]]; then
-      printf "%s\n" "Контекст workspace: PR #$PR_ID_VALUE"
-    elif [[ -n "$REPO_REF_VALUE" ]]; then
-      printf "%s\n" "Контекст workspace: pull request ($REPO_REF_VALUE)"
-    fi
-    return
-  fi
-
-  if [[ -n "$REPO_URL_VALUE" ]]; then
-    printf "%s\n" "Контекст workspace: $REPO_URL_VALUE"
-  fi
-}
-
-docker_git_print_codex_resume_hint() {
-  if [ -z "\${CODEX_RESUME_HINT_SHOWN-}" ]; then
-    DOCKER_GIT_CONTEXT_LINE="$(docker_git_workspace_context_line)"
-    if [[ -n "$DOCKER_GIT_CONTEXT_LINE" ]]; then
-      echo "$DOCKER_GIT_CONTEXT_LINE"
-    fi
-    echo "Старые сессии можно запустить с помощью codex resume или codex resume <id>, если знаешь айди."
-    export CODEX_RESUME_HINT_SHOWN=1
-  fi
-}
-
-if [ -n "$BASH_VERSION" ]; then
-  case "$-" in
-    *i*)
-      docker_git_print_codex_resume_hint
-      ;;
-  esac
-fi
-if [ -n "$ZSH_VERSION" ]; then
-  if [[ "$-" == *i* ]]; then
-    docker_git_print_codex_resume_hint
-  fi
-fi
-EOF
-  chmod 0644 "$CODEX_HINT_PATH"
-fi
-if ! grep -q "zz-codex-resume.sh" /etc/bash.bashrc 2>/dev/null; then
-  printf "%s\\n" "if [ -f /etc/profile.d/zz-codex-resume.sh ]; then . /etc/profile.d/zz-codex-resume.sh; fi" >> /etc/bash.bashrc
-fi
-if [[ -s /etc/zsh/zshrc ]] && ! grep -q "zz-codex-resume.sh" /etc/zsh/zshrc 2>/dev/null; then
-  printf "%s\\n" "if [ -f /etc/profile.d/zz-codex-resume.sh ]; then source /etc/profile.d/zz-codex-resume.sh; fi" >> /etc/zsh/zshrc
-fi`
-
-const escapeForDoubleQuotes = (value: string): string => {
-  const backslash = String.fromCodePoint(92)
-  return value
-    .replaceAll(backslash, `${backslash}${backslash}`)
-    .replaceAll(String.fromCodePoint(34), `${backslash}${String.fromCodePoint(34)}`)
-}
-
-export const renderEntrypointCodexResumeHint = (config: TemplateConfig): string =>
-  entrypointCodexResumeHintTemplate
-    .replaceAll("__REPO_REF_DEFAULT__", escapeForDoubleQuotes(config.repoRef))
-    .replaceAll("__REPO_URL_DEFAULT__", escapeForDoubleQuotes(config.repoUrl))
-
 const entrypointAgentsNoticeTemplate = String.raw`# Ensure global AGENTS.md exists for container context
 AGENTS_PATH="__CODEX_HOME__/AGENTS.md"
 LEGACY_AGENTS_PATH="/home/__SSH_USER__/AGENTS.md"
diff --git a/packages/lib/src/usecases/auth-sync-helpers.ts b/packages/lib/src/usecases/auth-sync-helpers.ts
index b3cc994..d53bea6 100644
--- a/packages/lib/src/usecases/auth-sync-helpers.ts
+++ b/packages/lib/src/usecases/auth-sync-helpers.ts
@@ -29,21 +29,19 @@ const JsonRecordFromStringSchema = Schema.parseJson(JsonRecordSchema)
 const defaultEnvContents = "# docker-git env\n# KEY=value\n"
 const codexConfigMarker = "# docker-git codex config"
 
-// CHANGE: switch default model to gpt-5.4 and pin xhigh reasoning for default + plan mode
-// WHY: keep plan mode aligned with development mode while preserving long-context defaults
-// QUOTE(ТЗ): "Сделать plan mode тоже с xhigh режимом как и разработка по дефолту. Так же заменить модель на gpt-5.4"
-// REF: github-issue-109
+// CHANGE: move model_context_window and model_auto_compact_token_limit to [profiles.longcontx]
+// WHY: global context window settings apply to all models; profile-scoped settings allow opt-in
+// QUOTE(ТЗ): "добавь longcontx"
+// REF: github-issue-183
 // SOURCE: n/a
-// FORMAT THEOREM: ∀c: config(c) -> model(c)="gpt-5.4" ∧ reasoning(c)=xhigh ∧ plan_reasoning(c)=xhigh
+// FORMAT THEOREM: ∀c: config(c) -> model(c)="gpt-5.4" ∧ reasoning(c)=xhigh ∧ longcontx_profile(c)=defined
 // PURITY: CORE
 // EFFECT: n/a
-// INVARIANT: default config stays deterministic
+// INVARIANT: default config stays deterministic; longcontx profile always present
 // COMPLEXITY: O(1)
 export const defaultCodexConfig = [
   "# docker-git codex config",
   "model = \"gpt-5.4\"",
-  "model_context_window = 1050000",
-  "model_auto_compact_token_limit = 945000",
   "model_reasoning_effort = \"xhigh\"",
   "plan_mode_reasoning_effort = \"xhigh\"",
   "personality = \"pragmatic\"",
@@ -56,7 +54,14 @@ export const defaultCodexConfig = [
   "shell_snapshot = true",
   "multi_agent = true",
   "apps = true",
-  "shell_tool = true"
+  "shell_tool = true",
+  "",
+  "[profiles.longcontx]",
+  "model = \"gpt-5.4\"",
+  "model_context_window = 1050000",
+  "model_auto_compact_token_limit = 945000",
+  "model_reasoning_effort = \"xhigh\"",
+  "plan_mode_reasoning_effort = \"xhigh\""
 ].join("\n")
 
 export const resolvePathFromBase = (