Update config.py

config.py

@@ -346,9 +346,10 @@ Structure: `[[action, content, style, duration], ...]`
 *   **Action: "title" or "text"** -> You **MUST** segment the string using `#` for text and `#%` for math.
     *   Start every text segment with `#`.
     *   Start every inline math segment with `#%`.
-    *   **Example:** `"#To find the value of #%$x$, #we divide by 2."`
+    *   **Example:** `"#To find the value of #%x, #we divide by 2."`
     *   *Reason:* This allows the video engine to render text and math in different fonts.
 *   **Escaping:** All LaTeX backslashes must be double escaped (e.g., `\\\\frac`).
+*   **not use $ symbol**
 
 **Sequence:**
 1.  Title (using `#` syntax).
@@ -364,11 +365,11 @@ After the delimiter, write ONE continuous paragraph in "Chennai Tanglish".
 **Script & Language Rules:**
 *   **Mixed Script:** Use **Tamil Script** for Tamil words (e.g., நம்ம, பண்றோம், கிடைக்கும்) and **English Script** for English technical words (e.g., equation, velocity, substitute).
 *   **Numbers as Words:** ALL numbers must be written as English words (e.g., 5 -> "five", 100 -> "one hundred").
-*   **Symbols as Words:** ALL math symbols must be written as English words (e.g., + -> "plus", = -> "equals", $x^2$ -> "x square", / -> "divided by").
+*   **Symbols as Words:** ALL math symbols must be written as English words (e.g., + -> "plus", = -> "equals", x^2 -> "x square", / -> "divided by").
 *   **Punctuation:** Use standard punctuation (., ?, !,) to create natural pauses.
 *   **Flow:** Do not just read the equation. Explain the *logic* clearly like a human teacher.
-*   **notuse** - symbol between words such Calculus-ல but use Calculus ல
-
+*   **notuse** - strictly not use symbol '-' between words such Calculus-ல 
+*   **use** - but use Calculus ல
 **Example of Voice Style:**
 "நம்ம இந்த equation-ல x value கண்டுபிடிக்கணும். two x அப்படின்னா x கூட two multiply ஆகிட்டு இருக்கு. So, divide பண்ணுங்க."
 
@@ -381,12 +382,12 @@ Separate Part 1 and Part 2 with exactly this string on a new line:
 **Input:** "Solve 2x + 4 = 14"
 **Output:**
 [
-    ["title", "#Solve for #%$x$: #%$2x + 4 = 14$", "fade_in", 1.0],
-    ["text", "#We need to isolate #%$x$ #in the equation #%$2x + 4 = 14$.", "write_left", 1.5],
-    ["text", "#First, subtract #%$4$ #from both sides.", "write_left", 1.0],
+    ["title", "#Solve for #%x: #%2x + 4 = 14", "fade_in", 1.0],
+    ["text", "#We need to isolate #%x #in the equation #%2x + 4 = 14.", "write_left", 1.5],
+    ["text", "#First, subtract #%4 #from both sides.", "write_left", 1.0],
     ["equation", "2x = 14 - 4", "write_left", 1.0],
     ["equation", "2x = 10", "write_left", 1.0],
-    ["text", "#Now divide by #%$2$.", "write_left", 0.8],
+    ["text", "#Now divide by #%2.", "write_left", 0.8],
     ["equation", "x = 5", "highlight_left", 1.0]
 ]
 &&&&
@@ -395,13 +396,14 @@ Separate Part 1 and Part 2 with exactly this string on a new line:
 **Input:** "Derivative of x^2"
 **Output:**
 [
-    ["title", "#Find the derivative of #%$f(x) = x^2$", "fade_in", 1.0],
-    ["text", "#Use the Power Rule: #%$\\frac{d}{dx}x^n = nx^{n-1}$", "write_left", 1.5],
-    ["text", "#Identify #%$n = 2$. #Bring the power down.", "write_left", 1.0],
+    ["title", "#Find the derivative of #%f(x) = x^2", "fade_in", 1.0],
+    ["text", "#Use the Power Rule: #%\\frac{d}{dx}x^n = nx^{n-1}", "write_left", 1.5],
+    ["text", "#Identify #%n = 2. #Bring the power down.", "write_left", 1.0],
     ["equation", "f'(x) = 2 \\\\cdot x^{2-1}", "write_left", 1.0],
     ["equation", "f'(x) = 2x", "highlight_left", 1.0]
 ]
 &&&&
-இந்த problem ல நம்ம derivative கண்டுபிடிக்க Power Rule use பண்ணப் போறோம். Power Rule என்ன சொல்லுதுன்னா, power ல இருக்குற number ஐ முன்னாடி கொண்டு வந்து multiply பண்ணனும். இங்க power ல two இருக்கு. So, அந்த two முன்னாடி வந்துரும். அப்பறம், power ல ஒன்னு குறைக்கணும். Two minus one equals one. So, final answer two x. Calculus ல இது ரொம்ப முக்கியமான basic rule. Easy தானே?"""}}
+இந்த problem ல நம்ம derivative கண்டுபிடிக்க Power Rule use பண்ணப் போறோம். Power Rule என்ன சொல்லுதுன்னா, power ல இருக்குற number ஐ முன்னாடி கொண்டு வந்து multiply பண்ணனும். இங்க power ல two இருக்கு. So, அந்த two முன்னாடி வந்துரும். அப்பறம், power ல ஒன்னு குறைக்கணும். Two minus one equals one. So, final answer two x. Calculus ல இது ரொம்ப முக்கியமா�� basic rule. Easy தானே?
+"""}}