diff --git a/config.lua b/config.lua
index 0157cf3..724468b 100644
--- a/config.lua
+++ b/config.lua
@@ -246,4 +246,22 @@ return {
     -- the system prompt as [earlier conversation summary]. Suppressed
     -- in Norris mode (R-C4 — planner stays on its goal). If broker
     -- fails, falls back to Phase 0 silent eviction (no crash).
+
+    -- Phase 6 (docs/PHASE6.md): project file-tree context + :diff /
+    -- :tree / :highlight metas. The :diff and :tree metas work without
+    -- any config. The `project` block below only controls the
+    -- AUTO-injection-at-startup behavior; manual `:tree` always works
+    -- regardless. Uncomment to enable startup auto-inject.
+    --
+    -- project = {
+    --     auto_tree      = true,   -- run `:tree` once at startup
+    --     tree_depth     = 3,      -- depth filter for the scan (find fallback only;
+    --                              -- git ls-files emits full repo-relative paths)
+    --     tree_max_chars = 4096,   -- truncate the injected block above this
+    -- },
+    --
+    -- :highlight has no config flag in v1 — toggled at runtime only.
+    -- Requires the external `tree-sitter` CLI plus configured parser-
+    -- directories with cloned + built `tree-sitter-<lang>` grammars
+    -- (see `:highlight on` for the install hints).
 }
diff --git a/docs/PHASE6.md b/docs/PHASE6.md
index 2301f46..dc11727 100644
--- a/docs/PHASE6.md
+++ b/docs/PHASE6.md
@@ -2,7 +2,7 @@
 
 **Project:** aish — AI-augmented conversational shell
 **Document:** Phase 6 Requirements, Architecture & Design Decisions
-**Status:** Plan + review fold-in (tree at `4407029`)
+**Status:** Implement (6 commits landed: c4fc7fd, d1dce83, 4d5f93a, 0d63f01, 11d0e59, this)
 **Date:** 2026-05-16
 
 **Review findings (independent agent, 2026-05-16) — 2 BLOCKERs resolved