logiguard fork: GPUI xdg-activation keyboard-focus serial fix

Single-commit orphan branch: full zed-industries/zed @ 8c74db0 source tree
with a 3-file patch applied (no upstream history).

Patch (crates/gpui_linux/src/linux/wayland/):
  - serial.rs: add SerialKind::KeyboardEnter
  - client.rs: store wl_keyboard.enter serial; add latest_serial_of()
  - window.rs: activate() uses keyboard-enter serial (Mutter focus gate)

Mutter honors window activation only when the token carries the keyboard-
focus serial from wl_keyboard.enter; GPUI used a stale mouse-press serial.
See docs/tray-window-focus-wayland.md in logiguard.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

assets/prompts/content_prompt.hbs

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+{{#if language_name}}
+Here's a file of {{language_name}} that I'm going to ask you to make an edit to.
+{{else}}
+Here's a file of text that I'm going to ask you to make an edit to.
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+{{#if is_insert}}
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+<document>
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+Generate {{content_type}} based on the following prompt:
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+Match the indentation in the original file in the inserted {{content_type}}, don't include any indentation on blank lines.
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+Return ONLY the {{content_type}} to insert. Do NOT include any XML tags like <document>, <insert_here>, or any surrounding markup from the input.
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+Respond with a code block containing the {{content_type}} to insert. Replace \{{INSERTED_CODE}} with your actual {{content_type}}:
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+{{#if rewrite_section}}
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+</rewrite_this>
+
+{{#if diagnostic_errors}}
+Below are the diagnostic errors visible to the user.  If the user requests problems to be fixed, use this information, but do not try to fix these errors if the user hasn't asked you to.
+
+{{#each diagnostic_errors}}
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+    <line_number>{{line_number}}</line_number>
+    <error_message>{{error_message}}</error_message>
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+Only make changes that are necessary to fulfill the prompt, leave everything else as-is. All surrounding {{content_type}} will be preserved.
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+Start at the indentation level in the original file in the rewritten {{content_type}}. Don't stop until you've rewritten the entire section, even if you have no more changes to make, always write out the whole section with no unnecessary elisions.
+
+Return ONLY the rewritten {{content_type}}. Do NOT include any XML tags like <document>, <rewrite_this>, or any surrounding markup from the input.
+
+Respond with a code block containing the rewritten {{content_type}}. Replace \{{REWRITTEN_CODE}} with your actual rewritten {{content_type}}:
+
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assets/prompts/content_prompt_v2.hbs

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+{{#if language_name}}
+Here's a file of {{language_name}} that the user is going to ask you to make an edit to.
+{{else}}
+Here's a file of text that the user is going to ask you to make an edit to.
+{{/if}}
+
+The section you'll need to rewrite is marked with <rewrite_this></rewrite_this> tags.
+
+<document>
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+
+{{#if is_truncated}}
+The context around the relevant section has been truncated (possibly in the middle of a line) for brevity.
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+And here's the section to rewrite based on that prompt again for reference:
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+<rewrite_this>
+{{{rewrite_section}}}
+</rewrite_this>
+
+{{#if diagnostic_errors}}
+Below are the diagnostic errors visible to the user.  If the user requests problems to be fixed, use this information, but do not try to fix these errors if the user hasn't asked you to.
+
+{{#each diagnostic_errors}}
+<diagnostic_error>
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+    <error_message>{{error_message}}</error_message>
+    <code_content>{{code_content}}</code_content>
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+{{/each}}
+{{/if}}
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+Only make changes that are necessary to fulfill the prompt, leave everything else as-is. All surrounding {{content_type}} will be preserved.
+
+Start at the indentation level in the original file in the rewritten {{content_type}}.
+
+IMPORTANT: You MUST use one of the provided tools to make the rewrite or to provide an explanation as to why the user's request cannot be fulfilled. You MUST NOT send back unstructured text. If you need to make a statement or ask a question you MUST use one of the tools to do so.
+It is an error if you try to make a change that cannot be made simply by editing the rewrite_section.

assets/prompts/terminal_assistant_prompt.hbs

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+You will be given a description of a command and you need to respond with a command that matches the description.
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+Current OS name is '{{os}}', architecture is '{{arch}}'.
+{{#if shell}}
+Current shell is '{{shell}}'.
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+{{#if working_directory}}
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+Latest non-empty terminal output:
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