postgres create-branch: add --ttl and --no-expiry flags

.nextchanges/cli/postgres-create-branch-ttl.md

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+Added `--ttl` and `--no-expiry` flags to `databricks postgres create-branch` so a branch's expiration can be set without hand-writing a `--json` spec. `--ttl` accepts the REST API duration form (`604800s`), a Go duration (`168h`), or day/week units (`7d`, `3w`); `--no-expiry` creates a branch that never expires. One of `--ttl`, `--no-expiry`, or a spec expiration in `--json` is required.

acceptance/cmd/workspace/postgres/create-branch/output.txt

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+
+=== Set up the parent project
+=== create-branch --ttl: API (604800s), Go (168h) and day (7d) forms all go on the wire as seconds
+=== create-branch --no-expiry
+=== create-branch --ttl combined with a --json spec: the flag's ttl survives the json merge
+=== the pre-existing flags still work alongside --ttl: --name (body), --replace-existing (query), --timeout (wait)
+=== the --no-wait path still works alongside --no-expiry
+=== An expiration is required: no flag fails before any API call (no request recorded)
+=== Conflicting flags fail before any API call (no request recorded)
+=== Recorded create-branch request bodies{
+  "method": "POST",
+  "path": "/api/2.0/postgres/projects/acc-proj/branches",
+  "q": {
+    "branch_id": "branch-ttl-api"
+  },
+  "body": {
+    "spec": {
+      "ttl": "604800s"
+    }
+  }
+}
+{
+  "method": "POST",
+  "path": "/api/2.0/postgres/projects/acc-proj/branches",
+  "q": {
+    "branch_id": "branch-ttl-go"
+  },
+  "body": {
+    "spec": {
+      "ttl": "604800s"
+    }
+  }
+}
+{
+  "method": "POST",
+  "path": "/api/2.0/postgres/projects/acc-proj/branches",
+  "q": {
+    "branch_id": "branch-ttl-days"
+  },
+  "body": {
+    "spec": {
+      "ttl": "604800s"
+    }
+  }
+}
+{
+  "method": "POST",
+  "path": "/api/2.0/postgres/projects/acc-proj/branches",
+  "q": {
+    "branch_id": "branch-noexp"
+  },
+  "body": {
+    "spec": {
+      "no_expiry": true
+    }
+  }
+}
+{
+  "method": "POST",
+  "path": "/api/2.0/postgres/projects/acc-proj/branches",
+  "q": {
+    "branch_id": "branch-mix"
+  },
+  "body": {
+    "spec": {
+      "source_branch": "projects/acc-proj/branches/production",
+      "ttl": "604800s"
+    }
+  }
+}
+{
+  "method": "POST",
+  "path": "/api/2.0/postgres/projects/acc-proj/branches",
+  "q": {
+    "branch_id": "branch-flags",
+    "replace_existing": "true"
+  },
+  "body": {
+    "name": "display-name",
+    "spec": {
+      "ttl": "604800s"
+    }
+  }
+}
+{
+  "method": "POST",
+  "path": "/api/2.0/postgres/projects/acc-proj/branches",
+  "q": {
+    "branch_id": "branch-nowait"
+  },
+  "body": {
+    "spec": {
+      "no_expiry": true
+    }
+  }
+}

acceptance/cmd/workspace/postgres/create-branch/script

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+title "Set up the parent project"
+$CLI postgres create-project acc-proj > LOG.setup 2>&1
+
+title "create-branch --ttl: API (604800s), Go (168h) and day (7d) forms all go on the wire as seconds"
+$CLI postgres create-branch projects/acc-proj branch-ttl-api --ttl 604800s > LOG.ttl-api 2>&1
+$CLI postgres create-branch projects/acc-proj branch-ttl-go --ttl 168h > LOG.ttl-go 2>&1
+$CLI postgres create-branch projects/acc-proj branch-ttl-days --ttl 7d > LOG.ttl-days 2>&1
+
+title "create-branch --no-expiry"
+$CLI postgres create-branch projects/acc-proj branch-noexp --no-expiry > LOG.noexp 2>&1
+
+title "create-branch --ttl combined with a --json spec: the flag's ttl survives the json merge"
+$CLI postgres create-branch projects/acc-proj branch-mix --ttl 604800s --json '{"spec":{"source_branch":"projects/acc-proj/branches/production"}}' > LOG.mix 2>&1
+
+title "the pre-existing flags still work alongside --ttl: --name (body), --replace-existing (query), --timeout (wait)"
+$CLI postgres create-branch projects/acc-proj branch-flags --ttl 168h --name display-name --replace-existing --timeout 60s > LOG.flags 2>&1
+
+title "the --no-wait path still works alongside --no-expiry"
+$CLI postgres create-branch projects/acc-proj branch-nowait --no-expiry --no-wait > LOG.nowait 2>&1
+
+title "An expiration is required: no flag fails before any API call (no request recorded)"
+musterr $CLI postgres create-branch projects/acc-proj branch-none &> LOG.required
+
+title "Conflicting flags fail before any API call (no request recorded)"
+musterr $CLI postgres create-branch projects/acc-proj branch-conflict --ttl 1h --no-expiry &> LOG.conflict
+
+title "Recorded create-branch request bodies"
+print_requests.py //branches

acceptance/cmd/workspace/postgres/create-branch/test.toml

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+RecordRequests = true
+
+# Not a bundle command; pin a single engine so it runs once.
+EnvMatrix.DATABRICKS_BUNDLE_ENGINE = ["direct"]