Add automatic double pass for Enhanced mode

humanizer.py

@@ -124,34 +124,43 @@ async def humanize_text(
 
     client = Groq(api_key=api_key)
 
-    # Build system prompt
-    base_prompt = PROMPTS.get(mode, STANDARD_PROMPT)
+    async def _single_pass(input_text: str, pass_mode: str) -> str:
+        base_prompt = PROMPTS.get(pass_mode, STANDARD_PROMPT)
 
-    # Inject few-shot examples into enhanced prompt
-    if mode == "enhanced":
-        base_prompt = base_prompt.format(few_shot_examples=FEW_SHOT_EXAMPLES)
+        if pass_mode == "enhanced":
+            base_prompt = base_prompt.format(few_shot_examples=FEW_SHOT_EXAMPLES)
 
-    readability_mod = READABILITY_MODIFIERS.get(
-        readability.lower(), READABILITY_MODIFIERS["neutral"]
-    )
-    purpose_mod = PURPOSE_MODIFIERS.get(
-        purpose.lower(), PURPOSE_MODIFIERS["professional"]
-    )
+        readability_mod = READABILITY_MODIFIERS.get(
+            readability.lower(), READABILITY_MODIFIERS["neutral"]
+        )
+        purpose_mod = PURPOSE_MODIFIERS.get(
+            purpose.lower(), PURPOSE_MODIFIERS["professional"]
+        )
 
-    system_prompt = f"""{base_prompt}
+        system_prompt = f"""{base_prompt}
 
 Tone guidance: {readability_mod}
 
 Context: {purpose_mod}"""
 
-    response = client.chat.completions.create(
-        model="llama-3.3-70b-versatile",
-        messages=[
-            {"role": "system", "content": system_prompt},
-            {"role": "user", "content": text}
-        ],
-        temperature=0.85,
-        max_tokens=2000,
-    )
-
-    return response.choices[0].message.content.strip()
+        response = client.chat.completions.create(
+            model="llama-3.3-70b-versatile",
+            messages=[
+                {"role": "system", "content": system_prompt},
+                {"role": "user", "content": input_text}
+            ],
+            temperature=0.85,
+            max_tokens=2000,
+        )
+        return response.choices[0].message.content.strip()
+
+    # Pass 1 — always run the requested mode
+    pass1_output = await _single_pass(text, mode)
+
+    # Pass 2 — only for enhanced mode, run standard to smooth the output
+    if mode == "enhanced":
+        pass2_output = await _single_pass(pass1_output, "standard")
+        return pass2_output
+
+    # Simple and standard only run once
+    return pass1_output