ci: run E2E against pinned OSS Conductor versions as a matrix

CLAUDE.md

@@ -134,7 +134,7 @@ background process on port 8080.
 **Flags:**
 - `--port` - Port to run the server on (default: 8080)
 - `--foreground`, `-f` - Run in the foreground instead of daemonizing
-- `--version` - Server version to download and run (default: `latest`, e.g. `3.21.23`)
+- `--version` - Server version to download and run (default: `latest`, e.g. `3.32.0`)
 - `--oss` - Use the open-source Conductor server (default)
 - `--orkes` - Use the Orkes Conductor server (coming soon)
 - `--follow`, `-f` - Follow log output like `tail -f` (logs command)

CONTEXT.md

@@ -35,6 +35,14 @@ A Conductor server that the CLI downloads and runs as a background process on th
 user's machine for development and testing.
 _Avoid_: embedded server, dev server, test server
 
+**Server Version**:
+Which published Conductor artifact a Local server runs, named by a version string
+or by the floating `latest` tag. Orthogonal to Server type: it selects an artifact,
+not a distribution. Only versions the download bucket actually carries can be named
+— it holds a subset of the server repo's tags.
+_Avoid_: version (unqualified — the CLI has its own), distribution (already names
+OSS versus Orkes), server build
+
 ### Configuration
 
 **Profile**:

README.md

@@ -526,7 +526,7 @@ conductor server <command> [flags]
 conductor server start
 
 # Start specific version on custom port
-conductor server start --version 3.21.23 --port 9090
+conductor server start --version 3.32.0 --port 9090
 
 # Run in foreground
 conductor server start -f

cmd/server.go

@@ -35,7 +35,8 @@ import (
 
 const (
 	// OSS Conductor server download URL template
-	// Version is substituted: "latest" or specific version like "3.21.23"
+	// Version is substituted: "latest" or specific version like "3.32.0". The bucket
+	// carries a subset of the server repo's tags, so not every tag resolves here.
 	ossJarURLTemplate = "https://conductor-server.s3.us-east-2.amazonaws.com/conductor-server-%s.jar"
 
 	// Orkes Conductor server download URL template (TBD)
@@ -93,7 +94,7 @@ Examples:
   conductor server start
 
   # Start with specific version
-  conductor server start --version 3.21.23
+  conductor server start --version 3.32.0
 
   # Start on a different port
   conductor server start --port 9090
@@ -143,7 +144,7 @@ Examples:
   conductor server update
 
   # Update a specific version
-  conductor server update --version 3.21.23`,
+  conductor server update --version 3.32.0`,
 		RunE:         updateServer,
 		SilenceUsage: true,
 	}
@@ -1039,7 +1040,7 @@ func init() {
 	// Start command flags
 	serverStartCmd.Flags().Int("port", defaultPort, "Port to run the server on")
 	serverStartCmd.Flags().BoolP("foreground", "f", false, "Run server in foreground (don't daemonize)")
-	serverStartCmd.Flags().String("version", "latest", "Server version to download and run (e.g., 'latest', '3.21.23')")
+	serverStartCmd.Flags().String("version", "latest", "Server version to download and run (e.g., 'latest', '3.32.0')")
 	serverStartCmd.Flags().Bool("oss", false, "Use open-source Conductor server (default)")
 	serverStartCmd.Flags().Bool("orkes", false, "Use Orkes Conductor server (coming soon)")
 	serverStartCmd.MarkFlagsMutuallyExclusive("oss", "orkes")
@@ -1049,7 +1050,7 @@ func init() {
 	serverLogsCmd.Flags().IntP("lines", "n", 50, "Number of lines to show")
 
 	// Update command flags
-	serverUpdateCmd.Flags().String("version", "latest", "Server version to update (e.g., 'latest', '3.21.23')")
+	serverUpdateCmd.Flags().String("version", "latest", "Server version to update (e.g., 'latest', '3.32.0')")
 	serverUpdateCmd.Flags().Bool("oss", false, "Use open-source Conductor server (default)")
 	serverUpdateCmd.Flags().Bool("orkes", false, "Use Orkes Conductor server (coming soon)")
 	serverUpdateCmd.MarkFlagsMutuallyExclusive("oss", "orkes")

docs/adr/0002-e2e-builds-the-conductor-server-from-source.md

@@ -1,9 +1,17 @@
 ---
-status: accepted
+status: superseded
 ---
 
 # E2E builds the Conductor server from source rather than pinning a published version
 
+> **Superseded by
+> [ADR-0006](./0006-e2e-pins-a-published-server-version.md).** The blocker
+> below — that no artifact is published from `main` — expired when `3.32.0` GA shipped
+> and the S3 `latest` jar was republished to match it. E2E now pins a published Server
+> Version and runs the OSS-safe suite against it. Read this ADR as the recorded case
+> for source-building, not as current policy; ADR-0006 explains how to recover the
+> arrangement it describes.
+
 The E2E jobs check out `conductor-oss/conductor` at `main` and run
 `:conductor-server:bootJar`, instead of pinning a published version via
 `conductor server start --version <x>`. We chose this because releases are cut from
@@ -69,8 +77,21 @@ Any of these should prompt switching back to a pin:
 
 The workflow keeps a single knob for this: `CONDUCTOR_SERVER_REF`. Reverting means
 replacing the checkout-and-build steps with `conductor server start --version <x>`,
-which the earlier revision of #106 already implemented, so the change is recoverable
-from git history rather than needing redesign.
+which commit `cf9d6b8c` already implements — `CONDUCTOR_SERVER_VERSION`, an
+`actions/cache` keyed on it, and the `server start` invocation, for both server-backed
+jobs.
+
+That commit is **not reachable from `main`**: #106 was squash-merged, so
+`git log -S'server start --version'` finds nothing. Fetch it with
+`git fetch origin refs/pull/106/head`, or read the file directly:
+
+```
+gh api "repos/conductor-oss/conductor-cli/contents/.github/workflows/e2e.yml?ref=cf9d6b8c"
+```
+
+Pinning also restores coverage rather than only saving time: with `conductor server
+start` managing the server there is a CLI-managed pid file again, so the six
+`server.bats` tests that currently skip will run.
 
 ## Alternatives considered