Add configurable evidence guard for resume tailoring

README.md

@@ -84,6 +84,20 @@ to the source wording and organization. At `100`, it uses the fullest supported
 and strongest truthful job alignment. The slider never relaxes evidence validation;
 unsupported requirements remain gaps or follow-up questions rather than resume claims.
 
+Below the slider, **Tailoring configuration** can switch between:
+
+- **Strict source evidence:** every candidate-facing claim must map to one or more
+  evidence IDs extracted from the source resume.
+- **Flexible profile-based rewrite:** the complete profile and original resume remain
+  the factual source, but claim-level evidence IDs are optional. This mode still tells
+  the model not to invent employers, dates, skills, metrics, or achievements.
+
+Use the **Evidence guard** control in Signal's header or the Oh My CV AI dialog to
+disable claim-level evidence enforcement across the entire app. The setting is persisted
+in `.resume-agent/settings.json` and applies to tailoring and revision chat. Turning it
+off forces flexible profile mode everywhere; the supplied-profile truth and no-invention
+rules remain active.
+
 After tailoring in the main Signal interface, use **Open in Oh My CV** to create a new
 local Oh My CV resume from the optimized Markdown and open it directly in the editor.