Closes #ISSUE

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- N/A

This PR renames the `RegexSearchTool` module to `regex_search_tool.rs`
to match the other tools.

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#26935 is leading to bad edits, so let's revert it for now. I'll bring
back a version of this, but it'll likely just focus on indentation
instead of making the whole search fuzzy.

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- N/A

<img width="630" alt="Screenshot 2025-03-18 at 10 50 17 AM"
src="https://github.com/user-attachments/assets/0aee5367-402a-405a-8676-f2f8af425b1e"
/>

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This PR makes it so the tool selector will stay open when toggling tools
instead of closing after each selection:


https://github.com/user-attachments/assets/eb987785-cfb5-4b07-8d63-510fbd9d9bf1

This involved making a change to `ContextMenu` to allow it to rebuild
its menu items after each confirmation in order for them to reflect
their selected/unselected status. I intend to clean up the `ContextMenu`
API a bit at a later point, but that is out of scope for this PR.

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- N/A

cc @morgankrey 

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Follow-up to:
- https://github.com/zed-industries/zed/pull/25793

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- N/A

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Fixes edge case where after carrying out all migrations if final text is
same as existing text, we don't need to ask user to do anything, despite
migrations edits are being applied internally. E.g. A -> B - > C -> A

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- N/A

This PR updates the Intelephense section of the PHP docs to use the
correct name for the license file.

Intelephense uses British English:

<img width="1185" alt="Screenshot 2025-03-18 at 8 30 20 AM"
src="https://github.com/user-attachments/assets/a675e854-bedf-4f70-bf8f-90488d196242"
/>

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Follow-up of https://github.com/zed-industries/zed/pull/26410

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In the process of adding `@mentions` we realized that we do not want to
make a distinction between Files & Directories in the UI, therefore this
PR combines the File & Directory pickers into a unified version



https://github.com/user-attachments/assets/f3bf189c-8b69-4f5f-90ce-0b83b12dbca3

(Ignore the `@mentions`, they are broken also on main)

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- N/A

Closes #ISSUE

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

Before
<img width="1004" alt="image"
src="https://github.com/user-attachments/assets/9a611e8d-e00e-4dc7-b4c9-bd76fec95525"
/>

After
<img width="936" alt="Image"
src="https://github.com/user-attachments/assets/b83d3309-1aab-492c-a2f1-c45cd19e6bcc"
/>

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- N/A

Switch back to git2 releases after
https://github.com/rust-lang/git2-rs/pull/1120 got merged in 0.20.1

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Motivation is to be able to use entities as TreeMap keys.

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Co-authored-by: Nathan <nathan@zed.dev>

Makes multibuffer headers less close to the top of the file.

Moves multibuffer line numbers one em to the right to make space for the
expand excerpt button on large line numbers.

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- N/A

---------

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

This was added in #8343 to make it only visible for tests. #9189 then
made it visible regardless of `test-support`, so the definitions became
identical.

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- N/A

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Keep the panel's state consistent even when we transition to having no
active repository.

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This PR makes the account age-related fields required in
`LlmTokenClaims`.

We've also removed the account age check from the LLM token issuance
endpoint, instead having it solely be enforced in the `POST /completion`
endpoint.

This change will be safe to deploy at ~8:01PM EDT.

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- N/A

This PR defers the account age check to the `POST /completion` endpoint
instead of doing it when an LLM token is generated.

This will allow us to lift the account age restriction for using Edit
Prediction.

Note: We're still temporarily performing the account age check when
issuing the LLM token until this change is deployed and the LLM tokens
have had a chance to cycle.

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This PR cleans up the LLM token creation a bit.

We now pass in the entire list of feature flags to the
`LlmTokenClaims::create` method to prevent having a bunch of confusable
`bool` parameters.

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- N/A

Previously, when clicking on the branch, the popover would obscure the
button you just clicked, which was awkward.

Release Notes:

- Improved the placement of the repo and branch picker popovers in the
git panel.
- Added a 'SelectRepo' action that opens the repository selector in a
modal.

When the model reads file, we'll track the version it read, and let it
know if the user makes edits to the buffer. This helps prevent edit
failures because it'll know to re-read the file before.

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- N/A

Closes #25458

When navigating code from a preview tab with
`enable_preview_from_code_navigation` set to `true`, "Go Back" from a
newly opened tab could focus on the tab to the right instead of
returning to the original preview tab.

Before, we killed the existing preview tab before opening a new one,
which breaking history as the new tab had no reference to the old one.
This caused navigation to shift to the next tab on the right.

Now, we first add the new tab at the preview index, and then kill the
existing preview tab. This preserves the history by linking new preview
tab to existing tab.

Release Notes:

- Fixes an issue where navigating code from a preview tab with
`enable_preview_from_code_navigation` set to `true`, "Go Back" from a
newly opened tab could focus on the tab to the right instead of
returning to the original preview tab.

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- N/A

This also simplifies our code to stop generating a last excerpt boundary
that we always ignore.

Closes #ISSUE

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- N/A

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Co-authored-by: Antonio Scandurra <me@as-cii.com>

I thought it might be just `test_file_status` this time, but it seems to
be all four of the tests that we were previously seeing issues with.

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- N/A

Closes #ISSUE

Release Notes:

- Git action buttons are now synced between the project diff and git
panel

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

Closes #26880

Release Notes:

- Removed a behavior where staging the last hunk in the project diff
would open the commit modal.

Closes #26883

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- N/A

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Follow up to https://github.com/zed-industries/zed/pull/26816

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This is a follow up to #26809, introducing `git.hunk_style` setting to
control whether staged or unstaged hunks are shown as hollow.

Reused `GitHunkStyleSetting` which was left over from #26504.

Release Notes:

- Added `git.hunk_style` setting to control whether staged or unstaged
hunks are hollow.

Release Notes:

- N/A

---------

Co-authored-by: Max Brunsfeld <maxbrunsfeld@gmail.com>
Co-authored-by: max <max@zed.dev>

Just a small docs pull request to remove the duplicate `indent_guides`
setting in the Project panel options section of the docs. There is also
another `indent_guides` on
[L2585](https://github.com/zed-industries/zed/pull/26927/files#diff-c2decf822f3085926bd23bdf175700222dfd8193d48ea39908d4bb1d1a7c6240R2584).
~~Let me know if you prefer to remove the other instance, thank you!~~

Edit: I just realized it's the old setting, `indent_guides` now expects
a object.

We'll now include the search/replace block that got applied as part of
the tool output. We think this will help the model have a better idea of
how the file changed and prevent later edit failures.

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- N/A

Failure on an unrelated commit:
https://github.com/zed-industries/zed/actions/runs/13903012863/job/38899239052

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- N/A

Release Notes:

- Added a new `git_hosting_providers` setting for configuring custom Git
hosting providers.

---------

Co-authored-by: Marshall Bowers <git@maxdeviant.com>

I vibe coded this in Zed, dawg.

This avoids a number of cases where we created multiple copies of the
same lsp adapter. Now we clone the Arcs.

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- N/A

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I saw over the weekend some social media posts that indicated people
didn't know which languages are included in Zed by default. We do say
that on each language-specific page, but I figured having this
high-level view on the languages page wouldn't hurt.

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- N/A

This PR refactors the constructors for the various Git hosting providers
to facilitate adding support for more self-hosted variants.

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This PR fixes an issue where the SourceHut Git hosting provider was
using the wrong name.

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- N/A

Without this, we running into the following error:

```
Running into this when running tests. Is this  
dyld[45041]: Library not loaded: @rpath/WebRTC.framework/WebRTC
  Referenced from: <B2EA63A5-994E-3FB0-A74B-C9C4F7E5C1EF> /Users/aguz/zed/zed/target/debug/deps/assistant_tools-522d7745dd439dfb
  Reason: no LC_RPATH's found
```

Thanks Piotr!

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Our direnv integration was making zed refuse to auto-update when you had
the zed repo open with the devshell active. This was happening even when
you used a non-nix build of zed, which actually should be able to
auto-update.

I'm a bit unsure of why we check for the `ZED_UPDATE_EXPLANATION` env
var [both at build time _and_ at
runtime](https://github.com/zed-industries/zed/blob/2828dcb67b0427bb64dd7c350896673ff6a14782/crates/auto_update/src/auto_update.rs#L149),
but I can see an argument for why people might want that so I'll just do
the less intrusive change for now and leave the var out of the devshell.

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- N/A

Closes #4640

About the support limit of Fn:

Mac F1-F35
Win F1-F24
Linux F1-F35
Terminal F1-F20

Release Notes:

- Improved support for extended keyboards on Mac (F20-F35)

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- N/A