Add Windows release binaries (#127)

* Add Windows release binaries

* Fix Windows installer downloads

docs/dev/ci.md

@@ -4,7 +4,8 @@
 
 - **ci.yml**: text-only changes skip; otherwise `cargo test --workspace --locked` on ubuntu-latest with protobuf compiler. OpenAPI-drift check that auto-commits the regenerated `openapi.json` for same-repository PRs. Also runs the AGENTS.md cross-link integrity check (`scripts/check-agents-md.sh`).
 - **AWS feature build job**: `cargo build/test -p omnigraph-server --features aws` on ubuntu-latest.
+- **Windows binary build job**: `cargo build --release --locked -p omnigraph-cli -p omnigraph-server` on windows-latest with smoke checks for `omnigraph.exe version`, `omnigraph-server.exe --help`, and PowerShell installer syntax.
 - **RustFS S3 integration**: spins up RustFS in Docker, runs `s3_storage`, `server_opens_s3_graph_directly_and_serves_snapshot_and_read`, and `local_cli_s3_end_to_end_init_load_read_flow`.
-- **release-edge.yml**: on every push to main, retags `edge`, builds Linux x86_64 / macOS arm64 archives + sha256, publishes a rolling prerelease.
-- **release.yml**: on `v*` tags, builds the Linux x86_64 / macOS arm64 release matrix and updates the Homebrew tap (`scripts/update-homebrew-formula.sh`) by pushing the regenerated formula to `ModernRelay/homebrew-tap`.
+- **release-edge.yml**: on every push to main, retags `edge`, builds Linux x86_64 / macOS arm64 archives and Windows x86_64 zip + sha256, publishes a rolling prerelease, then smoke-tests the Windows PowerShell installer against `edge`.
+- **release.yml**: on `v*` tags, builds the Linux x86_64 / macOS arm64 archives and Windows x86_64 zip release matrix, updates the Homebrew tap (`scripts/update-homebrew-formula.sh`) by pushing the regenerated formula to `ModernRelay/homebrew-tap`, and smoke-tests the Windows PowerShell installer against the tag.
 - **package.yml**: manual ECR image build; emits two image tags per commit (`<sha>`, `<sha>-aws`) via CodeBuild.

docs/user/deployment.md

@@ -20,6 +20,8 @@ Build or install:
 - `omnigraph`
 - `omnigraph-server`
 
+On Windows, the binaries are `omnigraph.exe` and `omnigraph-server.exe`.
+
 Run against a local graph:
 
 ```bash
@@ -141,8 +143,10 @@ The server binary ships in two flavors:
 | **AWS** | `cargo build --release --features aws` | Adds AWS Secrets Manager backend for bearer tokens |
 
 Tagged release archives contain the default `omnigraph` and
-`omnigraph-server` binaries. AWS-enabled server binaries are built from source
-with `cargo build --release --features aws -p omnigraph-server` when needed.
+`omnigraph-server` binaries on macOS / Linux, and `omnigraph.exe` plus
+`omnigraph-server.exe` on Windows. AWS-enabled server binaries are built from
+source with `cargo build --release --features aws -p omnigraph-server` when
+needed.
 
 The AWS build adds ~150 transitive deps and ~30-60s of first-build compile
 time. Default builds don't pay that cost.

docs/user/install.md

@@ -2,16 +2,29 @@
 
 ## Quick Install
 
+macOS / Linux:
+
 ```bash
 curl -fsSL https://raw.githubusercontent.com/ModernRelay/omnigraph/main/scripts/install.sh | bash
 ```
 
+Windows PowerShell:
+
+```powershell
+powershell -NoProfile -ExecutionPolicy Bypass -Command "iwr -UseBasicParsing https://raw.githubusercontent.com/ModernRelay/omnigraph/main/scripts/install.ps1 | iex"
+```
+
 By default the installer places:
 
 - `omnigraph`
 - `omnigraph-server`
 
-in `~/.local/bin`.
+in `~/.local/bin` on macOS / Linux, or:
+
+- `omnigraph.exe`
+- `omnigraph-server.exe`
+
+in `%USERPROFILE%\.local\bin` on Windows.
 
 The default installer is binary-only. It downloads a published release asset,
 verifies the SHA256 checksum, and unpacks it. It does not build from source.
@@ -39,6 +52,13 @@ Rolling edge binaries from `main`:
 curl -fsSL https://raw.githubusercontent.com/ModernRelay/omnigraph/main/scripts/install.sh | RELEASE_CHANNEL=edge bash
 ```
 
+Windows rolling edge binaries:
+
+```powershell
+iwr -UseBasicParsing https://raw.githubusercontent.com/ModernRelay/omnigraph/main/scripts/install.ps1 -OutFile install.ps1
+powershell -NoProfile -ExecutionPolicy Bypass -File .\install.ps1 -ReleaseChannel edge
+```
+
 Install from source:
 
 ```bash
@@ -53,12 +73,24 @@ Install to a different directory:
 curl -fsSL https://raw.githubusercontent.com/ModernRelay/omnigraph/main/scripts/install.sh | INSTALL_DIR="$HOME/bin" bash
 ```
 
+Windows:
+
+```powershell
+powershell -NoProfile -ExecutionPolicy Bypass -File .\install.ps1 -InstallDir "$env:USERPROFILE\bin"
+```
+
 Install a specific tag:
 
 ```bash
 curl -fsSL https://raw.githubusercontent.com/ModernRelay/omnigraph/main/scripts/install.sh | VERSION=v0.1.0 bash
 ```
 
+Windows:
+
+```powershell
+powershell -NoProfile -ExecutionPolicy Bypass -File .\install.ps1 -Version v0.1.0
+```
+
 Build from a specific git ref:
 
 ```bash
@@ -67,27 +99,53 @@ curl -fsSL https://raw.githubusercontent.com/ModernRelay/omnigraph/main/scripts/
 
 ## Manual Source Build
 
+macOS / Linux:
+
 ```bash
 cargo build --release --locked -p omnigraph-cli -p omnigraph-server
 install -m 0755 target/release/omnigraph ~/.local/bin/omnigraph
 install -m 0755 target/release/omnigraph-server ~/.local/bin/omnigraph-server
 ```
 
+Windows:
+
+```powershell
+cargo build --release --locked -p omnigraph-cli -p omnigraph-server
+New-Item -ItemType Directory -Force "$env:USERPROFILE\.local\bin" | Out-Null
+Copy-Item target\release\omnigraph.exe "$env:USERPROFILE\.local\bin\omnigraph.exe"
+Copy-Item target\release\omnigraph-server.exe "$env:USERPROFILE\.local\bin\omnigraph-server.exe"
+```
+
 ## Release Assets
 
 Tagged releases are expected to publish:
 
 - `omnigraph-linux-x86_64.tar.gz`
 - `omnigraph-macos-arm64.tar.gz`
+- `omnigraph-windows-x86_64.zip`
 
-Each archive contains both binaries:
+The macOS / Linux archives contain both binaries:
 
 - `omnigraph`
 - `omnigraph-server`
 
+The Windows archive contains:
+
+- `omnigraph.exe`
+- `omnigraph-server.exe`
+
 ## Verify The Install
 
+macOS / Linux:
+
 ```bash
 omnigraph version
 omnigraph-server --help
 ```
+
+Windows:
+
+```powershell
+omnigraph.exe version
+omnigraph-server.exe --help
+```