Update keybindings settings UI

Stuff

Closes #14537

- Adds server-side scale factor detection via `randr` when client-side
detection fails using `xrdb/Xft.dpi`.
- Adds the `GPUI_X11_SCALE_FACTOR` flag to force a scale factor, which
can be a positive number for custom scaling or `randr` for server-side
scale factor detection.

Release Notes:

- Fixed an issue where the scale factor was not detected correctly on
X11 systems when `Xft.dpi` is not defined (mostly in cases involving
window managers).

Closes #34194

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- N/A

Closes #34234

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- Automatic contrast adjustment in terminal is no longer applied to
decorative characters used in block art.

Next step is to have a "Restart Current Buffer Server(s)". 😬 

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- N/A

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- Allow clicking on the header of the read file tool to jump to the
exact file location

When researching code or when the Agent analyzes context by reading
various project files, the read file tool is used. It usually includes
line numbers relevant to the current prompt or task. However, it’s often
frustrating that the read file header isn’t clickable to view the
corresponding code directly. This PR makes the header clickable,
allowing users to jump to the referenced file. If start and end lines
are specified, it will navigate directly to that exact location.


https://github.com/user-attachments/assets/b0125d0b-7166-43dd-924e-dc5585813b0b

Co-authored-by: Danilo Leal <daniloleal09@gmail.com>

Closes #30111 

- [x] basic implementation
- [x] implementation for remote projects
- [x] surface error output from GPG if signing fails
- [ ] ~~Windows~~

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- git: Passphrase prompts from GPG to unlock commit signing keys are now
shown in Zed.

This will allow windows releases to report panics and telemetry.

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Closes #ISSUE

Adds an action and special handling in `KeymapFile::update_keybinding`
for removals. If the binding being removed is the last in a keymap
section, the keymap section will be removed entirely instead of left
empty.

Still to do is the ability to unbind/remove non-user created bindings
such as those in the default keymap by binding them to `NoAction`,
however, this will be done in a follow up PR.

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- N/A *or* Added/Fixed/Improved ...

Fixes windows nightly build failures

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---------

Co-authored-by: localcc <work@localcc.cc>
Co-authored-by: Peter Tripp <petertripp@gmail.com>

Closes https://github.com/zed-industries/zed/issues/19433
Supercedes: https://github.com/zed-industries/zed/pull/33308

cc: @eshasantosh

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- N/A

This PR updates the keybinding editor modal so that conflicts are
already shown in the modal itself. Notably, this does not add validation
on every keystroke, the update still has to be confirmed. However, if
only a warning is present, on the second confirm the keybind will
actually be updated.

The change also includes a slight update to the displayment of errors,
since we now differentiate between errors and warnings.

| Error | Warning | 
| --- | --- |
| <img width="543" height="332" alt="warning_keybind"
src="https://github.com/user-attachments/assets/867319be-eeb9-40d7-bf32-fbd44aacf0b5"
/> | <img width="543" height="310" alt="error_keybind"
src="https://github.com/user-attachments/assets/858a6c7c-8c9a-4a90-95af-a5103125676f"
/> |


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Fix regex filter

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Closes https://github.com/zed-industries/zed/issues/32951

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- agent: Fixed an issue where the agent panel notification would linger
on even after you closed the window.

Fixes an issue that caused Windows to fail when removing extension's
directories, as Zed had never stop any related processes.

Now:

* Zed shuts down and waits until the end when the language servers are
shut down

* Adds `impl Drop for WasmExtension` where does
`self.tx.close_channel();` to stop a receiver loop that holds the "lock"
on the extension's work dir.
The extension was dropped, but the channel was not closed for some
reason.

* Does more unregistration to ensure `Arc<WasmExtension>` with the `tx`
does not leak further

* Tidies up the related errors which had never reported a problematic
path before

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- N/A

---------

Co-authored-by: Smit Barmase <heysmitbarmase@gmail.com>
Co-authored-by: Smit <smit@zed.dev>

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This change ensures that we more reliably deploy the context menu in the
keymap editor as well as highlight the selected row quicker.

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- N/A

This PR makes it so we refresh the list of models whenever the LLM token
is refreshed.

This allows us to add or remove models based on the plan in the new
token.

Release Notes:

- Fixed model list not refreshing when subscribing to Zed Pro.

---------

Co-authored-by: Bennet Bo Fenner <bennetbo@gmx.de>

* Experimentally `scroll_manager.anchor()` appears to be the same before
and after this 2nd call of `autoscroll_horizontally`

* Nothing these depend on seem to be mutated between the calls (and
since this is prepaint, stuff within editor also shouldn't be mutated)

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Co-authored-by: Finn <finn@zed.dev>

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### Context

This PR adds documentation for setting up GitHub Copilot Enterprise as
an edit prediction provider in Zed.
There was previously no documentation for this feature, which was
implemented in [PR
#32296](https://github.com/zed-industries/zed/pull/32296).

This follows up on [my
comment](https://github.com/zed-industries/zed/issues/22901#issuecomment-3034817471)
and the response from the[ Zed
team](https://github.com/zed-industries/zed/issues/22901#issuecomment-3034837282),
which clarified the required settings.

### What’s included

- Documents the `enterprise_uri` setting for Copilot Enterprise in
`edit-prediction.md`.
- Explains how to configure the setting and what to expect from the
sign-in flow.

### Notes

- This is a documentation-only change.
- No code or tests are affected.

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- N/A

---------

Co-authored-by: Peter Tripp <peter@zed.dev>

This PR fixes an issue where the plan usage limits in Zed would not get
updated immediately after the plan has changed.

Previously we were only sending down the usage—which contains the
limits—if there was a usage record in the database. This would be absent
if the user had just changed their plan.

We now always send down the usage in order to update the limits on the
client side.

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- N/A

Co-authored-by: Bennet Bo Fenner <bennetbo@gmx.de>

This change fixes a small issue where the right-click context menu would
not be populdated on the first right click in the keymap editor and the
selection of the corresponding entry would be slightly delayed.

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- N/A

Whilst working on the keymap editor, I regularly find myself
double-clicking an entry just to find that nothing happens besides
selecting the given entry. This feels really unintuitive to me. I
checked back with VSCode and they also open the modal when
double-clicking an entry in the list.

Thus, this PR enables double-clicking an entry in the list to open the
editing modal.

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Closes https://github.com/zed-industries/zed/issues/34178

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---------

Co-authored-by: Peter Tripp <peter@zed.dev>

Closes https://github.com/zed-industries/zed/issues/33687

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- agent: Preserve unsent chat message text when creating a new thread

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- N/A

Namely, putting the diagnostics items in their own little section,
divider from the other "inline" and minimap/edit prediction items. I
feel like this is an easier to parse organization, even though all the
"inlines" made sense to be somewhat close together.

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We're running clippy and tests in our ci

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cc @dinocosta

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- (preview only) vim: Fix panic when scrolling down at end of file

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---------

Co-authored-by: Conrad Irwin <conrad.irwin@gmail.com>

This PR hides "slash commands" and "indexed docs providers" from the
extensions UI as these are virtually completely unused types of
extensions.

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- N/A

When the panel was zoomed in, the edit bar's background color would have
a different color than the rest of the panel. This PR fixes it by using
the `panel_background` color token.

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Closes #ISSUE

`cx.intercept_keystrokes` functions as a sibling API to
`cx.observe_keystrokes`. Under the hood the two API's are basically
identical, however, `cx.observe_keystrokes` runs _after_ all event
dispatch handling (including action dispatch) while
`cx.intercept_keystrokes` runs _before_. This allows for
`cx.stop_propagation()` calls within the `cx.intercept_keystrokes`
callback to prevent action dispatch.

The motivating example usage behind this API is also included in this
PR. It is used as part of a keystroke input component that needs to
intercept keystrokes before action dispatch to display them.

cc: @mikayla-maki 

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- N/A *or* Added/Fixed/Improved ...

Starting to use the `Tool...` family of icons dedicated & designed for
the agent panel.

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Closes #33930

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- Fixed `--[[` incorrectly extending `--` upon a new line in Lua.

Follow up to #34141. As pointed out by @maan2003 changing the thinking
parameters invalidates the message cache
([Docs](https://docs.anthropic.com/en/docs/build-with-claude/prompt-caching#what-invalidates-the-cache)).

All the other places where `thinking_allowed ` is set to `false` should
be fine since we do not do any caching there.

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Mostly simple things like spacing and colors.

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A bunch of dropdown menus in this pane that weren't clear that were
menus without chevrons in it. :)

<img
src="https://github.com/user-attachments/assets/fc701a5d-ed89-4de3-a76e-06d22ad9e366"
width="600"/>

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Hello! It would be great to be able to use the "Open Pull Request"
button that appears after pushing a branch via the git UI on more
platforms (I use Gitlab day to day). Would you be open to adding more
variations of the PR hint text?

I've added the text that Gitlab and Bitbucket use in their push logs
here.

Release Notes:

- Git UI: Support "Open Pull Request" for more platforms

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- N/A

---------

Co-authored-by: Agus Zubiaga <agus@zed.dev>

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Co-authored-by: Agus Zubiaga <agus@zed.dev>

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