fix: add content preservation rule and strengthen em dash pattern

Add step 4 (Never truncate) to the Your Task checklist so the
humanizer preserves the full length of the original text instead
of condensing it. Also add spaced em dash and double-hyphen
examples to Pattern 14 so all common dash variants get caught.

SKILL.md

@@ -30,9 +30,10 @@ When given text to humanize:
 1. **Identify AI patterns** - Scan for the patterns listed below
 2. **Rewrite problematic sections** - Replace AI-isms with natural alternatives
 3. **Preserve meaning** - Keep the core message intact
-4. **Maintain voice** - Match the intended tone (formal, casual, technical, etc.)
-5. **Add soul** - Don't just remove bad patterns; inject actual personality
-6. **Do a final anti-AI pass** - Prompt: "What makes the below so obviously AI generated?" Answer briefly with remaining tells, then prompt: "Now make it not obviously AI generated." and revise
+4. **Never truncate** - Your output must cover everything the original covers. Rewrite sentences, don't delete them. If the original has five paragraphs, the rewrite has five paragraphs.
+5. **Maintain voice** - Match the intended tone (formal, casual, technical, etc.)
+6. **Add soul** - Don't just remove bad patterns; inject actual personality
+7. **Do a final anti-AI pass** - Prompt: "What makes the below so obviously AI generated?" Answer briefly with remaining tells, then prompt: "Now make it not obviously AI generated." and revise
 
 
 ## Voice Calibration (Optional)
@@ -270,6 +271,14 @@ Avoiding AI patterns is only half the job. Sterile, voiceless writing is just as
 **After:**
 > The term is primarily promoted by Dutch institutions, not by the people themselves. You don't say "Netherlands, Europe" as an address, yet this mislabeling continues in official documents.
 
+Also catch spaced em dashes (` — `) and double hyphens (` -- `) used as em dashes. These are the same pattern in different typography.
+
+**Before:**
+> The new policy — announced without warning — affects thousands of workers. The changes -- long overdue according to critics -- will take effect immediately.
+
+**After:**
+> The new policy, announced without warning, affects thousands of workers. The changes, long overdue according to critics, will take effect immediately.
+
 
 ### 15. Overuse of Boldface