docs: clarify dev auto customization comments

Replace internal merge jargon and stale workflow comments with plain descriptions of the customization file behavior.

src/bmm-skills/4-implementation/bmad-dev-auto/customize.toml

@@ -1,39 +1,33 @@
 # DO NOT EDIT -- overwritten on every update.
 #
-# Workflow customization surface for bmad-dev-auto. Mirrors the
-# agent customization shape under the [workflow] namespace.
+# Default customization values for bmad-dev-auto.
+# Override in _bmad/custom/bmad-dev-auto.toml or
+# _bmad/custom/bmad-dev-auto.user.toml.
+#
+# Merge rules:
+# - Strings replace the default.
+# - Lists append to the default list.
+# - Tables merge key by key.
 
 [workflow]
 
-# --- Configurable below. Overrides merge per BMad structural rules: ---
-#   scalars: override wins • arrays (persistent_facts, activation_steps_*): append
-#   arrays-of-tables with `code`/`id`: replace matching items, append new ones.
-
-# Steps to run before the standard activation (config load).
-# Overrides append. Use for pre-flight loads, compliance checks, etc.
+# Extra instructions to run before config is loaded.
 
 activation_steps_prepend = []
 
-# Steps to run after config load but before the workflow begins.
-# Overrides append. Use for context-heavy setup.
+# Extra instructions to run after config is loaded and before step 01.
 
 activation_steps_append = []
 
-# Persistent facts the workflow keeps in mind for the whole run
-# (standards, compliance constraints, stylistic guardrails).
-# Distinct from the runtime memory sidecar — these are static context
-# loaded on activation. Overrides append.
-#
-# Each entry is either:
-#   - a literal sentence, e.g. "All stories must include testable acceptance criteria."
-#   - a file reference prefixed with `file:`, e.g. "file:{project-root}/docs/standards.md"
-#     (glob patterns are supported; the file's contents are loaded and treated as facts).
+# Facts kept in context for the whole run.
+# Entries are literal text or file references prefixed with "file:".
+# File entries may use globs and are loaded during activation.
 
 persistent_facts = [
   "file:{project-root}/**/project-context.md",
 ]
 
-# Scalar: final instruction run by HALT on every terminal path. Override wins.
-# Leave empty for no custom terminal behavior.
+# Instruction run by HALT after writing the terminal result.
+# Empty means no extra terminal behavior.
 
 on_complete = ""