Closes #ISSUE

Release Notes:

- N/A

Includes:
- https://github.com/zed-industries/zed/pull/22609

Includes:
- https://github.com/zed-industries/zed/pull/23532
- https://github.com/zed-industries/zed/pull/22268

Includes:
- https://github.com/zed-industries/zed/pull/15181
- https://github.com/zed-industries/zed/pull/16955
- https://github.com/zed-industries/zed/pull/22609

Includes:
- https://github.com/zed-industries/zed/pull/22936

Includes:
- https://github.com/zed-industries/zed/pull/20752
- https://github.com/zed-industries/zed/pull/22268

Includes:
- https://github.com/zed-industries/zed/pull/22609

Includes:
- https://github.com/zed-industries/zed/pull/22055
- https://github.com/zed-industries/zed/pull/22268

We already have heredoc injection support, so this just extends it to also cover
[nowdoc](https://www.php.net/manual/en/language.types.string.php#language.types.string.syntax.nowdoc).

Release Notes:

- N/A

Part of https://github.com/zed-industries/zed/issues/22606
Closes https://github.com/zed-industries/zed/issues/23509

When a user sees an odd notification from the language server like

<img width="508" alt="image"
src="https://github.com/user-attachments/assets/6f5ef1aa-0f09-4705-a02a-aaf81dd8620c"
/>

they usually dismiss that.

Zed uses channels to wait and handle user interactions with such
notifications, and, due to `?`, sends back
```json
{"jsonrpc":"2.0","id":1,"error":{"message":"receiving from an empty and closed channel"}}
```

which is not spec-compliant:
https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#window_showMessageRequest

> Response:
>
> * result: the selected
[MessageActionItem](https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#messageActionItem)
| null if none got selected.
> * error: code and message set in case an exception happens during
showing a message.

Unfortunately, vtsls (and, potentially, others) crash if receive such
non-compliant requests, and do not get back.

After the fix, the message is correct:
```json
{"jsonrpc":"2.0","id":1,"result":null}
```


Release Notes:

- Fixed vtsls crashing on notification dismiss

Co-authored-by: Piotr Osiewicz <piotr@zed.dev>

This PR adds version control-specific theme tokens to the them to allow
styling entries in the git ui and elsewhere.

Release Notes:

- N/A

Closes #ISSUE

Release Notes:

- N/A

We were not covering a variant where the returned metadata was Ok(None)

Closes #ISSUE

Release Notes:

- Fixed venv activation script path showing up in terminal for
non-existant scripts.

Part of https://github.com/zed-industries/zed/issues/22606

Before, `tsdk_path` for vtsls and typescript-language-server
unconditionally set a `tsdk`/`tsserver` property for the corresponding
language server, even if there were no such directory at all.
Instead, make the corresponding code to omit such property if it was not
found on the FS.

Release Notes:

- Fixed "The path /.../tsserver.js doesn't point to a valid tsserver
install. Falling back to bundled TypeScript version." pop-up appearing

Uses a newer `git2` version with
https://github.com/rust-lang/git2-rs/pull/1120 fix

Closes https://github.com/zed-industries/zed/issues/23453

Release Notes:

- Fixed panics on opening repositories with empty remotes

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
|
[cloudflare/wrangler-action](https://redirect.github.com/cloudflare/wrangler-action)
| action | digest | `6d58852` -> `7a5f8bb` |

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This PR contains the following updates:

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [metal](https://redirect.github.com/gfx-rs/metal-rs) |
workspace.dependencies | minor | `0.30` -> `0.31` |

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [convert_case](https://redirect.github.com/rutrum/convert-case) |
workspace.dependencies | minor | `0.6.0` -> `0.7.0` |

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This PR makes it so we don't suggest threads as context in the inline
assist when we don't have a `ThreadStore` to pull from.

Release Notes:

- N/A

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [serde_json](https://redirect.github.com/serde-rs/json) | dependencies
| patch | `1.0.135` -> `1.0.137` |
| [serde_json](https://redirect.github.com/serde-rs/json) |
workspace.dependencies | patch | `1.0.135` -> `1.0.137` |

---

### Release Notes

<details>
<summary>serde-rs/json (serde_json)</summary>

###
[`v1.0.137`](https://redirect.github.com/serde-rs/json/releases/tag/v1.0.137)

[Compare
Source](https://redirect.github.com/serde-rs/json/compare/v1.0.136...v1.0.137)

- Turn on "float_roundtrip" and "unbounded_depth" features for
serde_json in play.rust-lang.org
([#&#8203;1231](https://redirect.github.com/serde-rs/json/issues/1231))

###
[`v1.0.136`](https://redirect.github.com/serde-rs/json/releases/tag/v1.0.136)

[Compare
Source](https://redirect.github.com/serde-rs/json/compare/v1.0.135...v1.0.136)

- Optimize serde_json::value::Serializer::serialize_map by using
Map::with_capacity
([#&#8203;1230](https://redirect.github.com/serde-rs/json/issues/1230),
thanks [@&#8203;goffrie](https://redirect.github.com/goffrie))

</details>

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [semver](https://redirect.github.com/dtolnay/semver) |
workspace.dependencies | patch | `1.0.24` -> `1.0.25` |

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<details>
<summary>dtolnay/semver (semver)</summary>

###
[`v1.0.25`](https://redirect.github.com/dtolnay/semver/releases/tag/1.0.25)

[Compare
Source](https://redirect.github.com/dtolnay/semver/compare/1.0.24...1.0.25)

- Enable serde impls on play.rust-lang.org
([#&#8203;330](https://redirect.github.com/dtolnay/semver/issues/330),
thanks [@&#8203;jofas](https://redirect.github.com/jofas))

</details>

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The buttons are disabled in this case, but users can still trigger a
commit via the actions directly, and an error toast seems a bit loud for
this.

cc @iamnbutler 

Release Notes:

- N/A

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [etagere](https://redirect.github.com/nical/etagere) | dependencies |
patch | `0.2.13` -> `0.2.15` |

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This PR makes it so the `assistant2` feature flag is automatically
enabled for all staff.

Previously all the staff members had been opted in to the feature flag
manually (to allow for opting out), but I think we're ready to
unconditionally ship it to all staff.

Release Notes:

- N/A

This PR fixes an issue with the context picker where it would show
thread context as an option even if there was no `ThreadStore`
available.

Release Notes:

- N/A

This PR adds a button to open the prompt library from the configuration
view in Assistant2.

<img width="1309" alt="Screenshot 2025-01-22 at 5 38 08 PM"
src="https://github.com/user-attachments/assets/d514abca-53bc-4cde-bead-ab68a1994fb5"
/>

Release Notes:

- N/A

This PR dedupes the construction of the `PromptBuilder`.

Previously this was constructed by both `assistant` and `assistant2`,
but now we construct it outside and pass it in.

Release Notes:

- N/A

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [indexmap](https://redirect.github.com/indexmap-rs/indexmap) |
workspace.dependencies | patch | `2.7.0` -> `2.7.1` |

---

### Release Notes

<details>
<summary>indexmap-rs/indexmap (indexmap)</summary>

###
[`v2.7.1`](https://redirect.github.com/indexmap-rs/indexmap/blob/HEAD/RELEASES.md#271-2025-01-19)

[Compare
Source](https://redirect.github.com/indexmap-rs/indexmap/compare/2.7.0...2.7.1)

-   Added `#[track_caller]` to functions that may panic.
-   Improved memory reservation for `insert_entry`.

</details>

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(Late) follow up to #9634.
Fixes #23395

Release Notes:

- Accepting completions while the cursor is in the middle of suggested
completion will now result in smaller edits being applied.

When a file exists in HEAD, is deleted in the index, and exists again in
the working copy, git produces two lines for it, one reading `D `
(deleted in index, unmodified in working copy), and the other reading
`??` (untracked). Merge these two into the equivalent of `DA`.

Release Notes:

- Improved handling of files that are deleted in the git index but exist
in HEAD and the working copy

This PR introduces a new entity called Project Tree which is responsible
for finding subprojects within a worktree;
a subproject is a language-specific subset of a worktree which should be
accurately tracked on the language server side. We'll have an ability to
set multiple disjoint workspaceFolders on language server side OR spawn
multiple instances of a single language server (which will be the case
with e.g. Python language servers, as they need to interact with
multiple disjoint virtual environments).
Project Tree assumes that projects of the same LspAdapter kind cannot
overlap. Additionally project nesting is not allowed within the scope of
a single LspAdapter.

Closes https://github.com/zed-industries/zed/issues/5108
Re-lands #22182 which I had to revert due to merging it into todays
Preview.

Release Notes:

- Language servers now track their working directory more accurately.

---------

Co-authored-by: João <joao@zed.dev>

This PR updates Assistant2's response streaming to work with LLM
providers that do not emit `StartMessage` events.

Now if we get a `Text` event without having received a `StartMessage`
event we will still insert an Assistant message so we can stream in the
response from the model.

Release Notes:

- N/A

This PR replaces the update debouncing code in the git panel with a more
correct and conventional structure (holding a `Task` field instead of
spawning a task that runs a loop). I wrote the code that this replaces
without realizing that it doesn't implement debouncing properly.

Release Notes:

- N/A

This PR wires up the ability to configure Assistant2.

<img width="1309" alt="Screenshot 2025-01-22 at 1 52 56 PM"
src="https://github.com/user-attachments/assets/3de47797-7959-47af-bd93-51f105e87c28"
/>

Release Notes:

- N/A

This PR is a small refactoring that extracts the Assistant's
`ConfigurationView` into its own module.

Release Notes:

- N/A

In the future if `filter` was used more this would fix other issues. In
the current code paths, this just fixes the particular corner case of
edit prediction arriving async while `y_flipped = true` (in this case it
needs to be scrolled down to show item with index 0).

Release Notes:

- N/A

This PR is a follow-up to
https://github.com/zed-industries/zed/pull/23470 that simplifies the way
we check the `git-ui` feature flag in the title bar.

Release Notes:

- N/A

Reverts zed-industries/zed#22182
I've merged the build too soon as I wanted it to be excluded from todays
Preview.

Closes #23358

Demo/proof:


https://github.com/user-attachments/assets/2036d183-8830-415b-9155-0d3efe3d824c




Release Notes:

- Fixed `%` in Vim mode not working correctly for multi-char brackets,
such as `do/end` in Elixir or `\begin` and `\end` in LaTeX.

Co-authored-by: Conrad <conrad@zed.dev>

Fixes an issue where the repo selector showed for all users, not just
those in the git_ui feature flag.

This was meant to be included in the `git_ui` feature flag.

Release Notes:

- N/A

This PR introduces a new entity called Project Tree which is responsible
for finding subprojects within a worktree;
a subproject is a language-specific subset of a worktree which should be
accurately tracked on the language server side. We'll have an ability to
set multiple disjoint `workspaceFolder`s on language server side OR
spawn multiple instances of a single language server (which will be the
case with e.g. Python language servers, as they need to interact with
multiple disjoint virtual environments).
Project Tree assumes that projects of the same LspAdapter kind cannot
overlap. Additionally **project nesting** is not allowed within the
scope of a single LspAdapter.

Closes #5108

Release Notes:

- Language servers now track their working directory more accurately.

---------

Co-authored-by: João <joao@zed.dev>

This PR updates the Book Onboarding links to point to a new form.

Release Notes:

- N/A

#23460 brought up we are showing the new "tab Accept" marker for single
line suggestions for non-zeta providers. We think this might be valid
for any provider, but we only want to enable it for zeta initially so it
doesn't affect an existing user base.

Release Notes:

- N/A

This PR fixes an issue where Assistant2 was not respecting the panel
dock position.

Release Notes:

- N/A

Release Notes:

- N/A

#23411 introduced an "Accept" callout for single line edits, but the
logic to detect them was incorrect causing it to trigger for multiline
insertions, this PR fixes that.

Release Notes:

- N/A