diff --git a/init.lua b/init.lua
index 1e9ffb8..ca73e96 100644
--- a/init.lua
+++ b/init.lua
@@ -420,6 +420,17 @@ M._detect_conflicts = detect_conflicts
 --   C — dirty         : commits-past-tag or working-tree dirty  → warn
 --   D — wrong-tag     : describe != pinned-tag → silent checkout
 --   E — broken        : describe fails entirely                 → error
+--   F — packaged      : lib dir exists, no .git/, manifest.lib version
+--                       matches pin → accept (cmake-staged install)
+local function manifest_version_matches(lib_dir, expected_version)
+    local f = io.open(lib_dir .. "/manifest.lib", "rb")
+    if not f then return false end
+    local content = f:read("*a")
+    f:close()
+    local m, _ = json_decode(content)
+    return m ~= nil and m.version == expected_version
+end
+
 local function run_state_check(unique_closure, install_root,
                                gitea_base, warnings, errors)
     local git = require("lib-core.git")
@@ -430,14 +441,21 @@ local function run_state_check(unique_closure, install_root,
         local pinned    = "v" .. e.version
 
         if not git.is_repo(lib_dir) then
-            -- Case A: clone @ pinned-tag.
-            local ok, gerr = git.clone(url, lib_dir, pinned)
-            if not ok then
-                table.insert(errors, {
-                    lib_id  = e.lib_id,
-                    kind    = "net-fail",
-                    message = tostring(gerr),
-                })
+            -- No .git dir present. Two sub-cases:
+            --   F — packaged install: dir exists with a manifest.lib at
+            --       the right version (cmake --install layout). Accept.
+            --   A — missing: dir absent or manifest mismatch → clone.
+            if manifest_version_matches(lib_dir, e.version) then
+                -- Case F: packaged install, no action needed.
+            else
+                local ok, gerr = git.clone(url, lib_dir, pinned)
+                if not ok then
+                    table.insert(errors, {
+                        lib_id  = e.lib_id,
+                        kind    = "net-fail",
+                        message = tostring(gerr),
+                    })
+                end
             end
         else
             local desc, derr = git.describe(lib_dir)
diff --git a/manifest.lib b/manifest.lib
index b6b8be6..487fc26 100644
--- a/manifest.lib
+++ b/manifest.lib
@@ -1,6 +1,6 @@
 {
     "id": "lib-management.dep-fetcher",
-    "version": "0.1.0",
+    "version": "0.1.1",
     "api_min": "0.1",
     "deps": [
         {"id": "lib-core.git", "version": "0.1.0"}