fix lucky theme bug

[meizikeai]

User description

Title: fix(theme): add missing newline in lucky theme

Description: This PR fixes a visual bug in themes/lucky/lucky.theme.sh.

The Issue: Currently, the prompt does not start on a new line if the preceding command output lacks a trailing newline (e.g., calling a REST API via curl). This results in the prompt being appended directly to the output, making it difficult to read.

Example of the bug:

# curl --location 'http://127.0.0.1:9997/'
{"code":200,"message":"OK"}root @ f10dd4ccacc0 in ~ [15:22:00]

Changes:

• Adjusted the prompt configuration in lucky.theme.sh to ensure it renders correctly regardless of previous command output.

I would appreciate it if this could be merged into the master branch.

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PR Type

Bug fix

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Description

• Add missing newline to lucky theme prompt

• Ensures prompt starts on new line after commands

• Fixes visual bug when output lacks trailing newline

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Diagram Walkthrough

flowchart LR
  A["Command Output<br/>without newline"] -- "prompt appended<br/>directly" --> B["Bug: unreadable"]
  C["Command Output<br/>without newline"] -- "newline prefix<br/>added" --> D["Fixed: readable prompt"]

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File Walkthrough

	Relevant files
Bug fix	lucky.theme.sh Prepend newline to prompt initialization                                  themes/lucky/lucky.theme.sh Prepend newline character to PS1 variable initialization Ensures prompt renders on new line regardless of previous command output Fixes issue where prompt was appended directly to output lacking trailing newline +1/-1

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PR Code Suggestions ✨

Explore these optional code suggestions:

Category	Suggestion	Impact
Possible issue	Quote variable to prevent word splitting Double-quote the $python_venv variable expansion to prevent word splitting and globbing by the shell. themes/lucky/lucky.theme.sh [17] -PS1='\n'$python_venv +PS1='\n'"$python_venv" Apply / Chat Suggestion importance[1-10]: 7 __ Why: The suggestion correctly identifies a potential bug due to an unquoted variable, which could lead to word splitting, and proposes a fix that aligns with shell scripting best practices.	Medium
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