Planny hit the gym and lost some weight

Trimmed the mascot ASCII art across all prompts and installer.
Planny is now more aerodynamic and 40% less chunky.

src/plan2code-1--plan.md

@@ -15,13 +15,9 @@ Check if `./AGENTS.md` exists:
 
    > ```
    > ⋅
-   >    o     o
-   >     ╲   ╱  ?
    >     ╭───╮
-   >     │ ● │
+   >     │ ● │  ?
    >     │ ~ │   Hmm, I don't see an AGENTS.md...
-   >     ├───┤
-   >     │ · │
    >     ╰───╯
    > ```
    >
@@ -269,13 +265,9 @@ When complete (PLAN-DRAFT created), tell user:
 >
 > ```
 > ⋅
->    o     o
->     ╲   ╱
 >     ╭───╮
 >     │ ★ │
 >     │ ◡ │   Planning done! Ready for documentation!
->     ├───┤
->     │ · │
 >     ╰───╯
 > =============================================
 > NEXT STEP: Start a NEW conversation then run: