Add 13 access-review driver implementations → Dispatch new providers in review engine and name worker

- Add 13 access-review driver implementations
- Add VCR-driven driver tests with synthetic cassettes
- Guard cassettes against non-synthetic email leaks
- Dispatch new providers in review engine and name worker

Signed-off-by: Aurélien Sibiril <81782+aureliensibiril@users.noreply.github.com>

pkg/accessreview/drivers/pagerduty.go

@@ -0,0 +1,150 @@
+// Copyright (c) 2026 Probo Inc <hello@getprobo.com>.
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+// PERFORMANCE OF THIS SOFTWARE.
+
+package drivers
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"net/url"
+	"strconv"
+	"time"
+
+	"go.probo.inc/probo/pkg/coredata"
+)
+
+// PagerDutyDriver fetches users from the PagerDuty REST API using a
+// pre-authenticated HTTP client (Bearer token from the Scoped OAuth
+// PKCE flow). Pagination is offset / limit based.
+type PagerDutyDriver struct {
+	httpClient *http.Client
+}
+
+var _ Driver = (*PagerDutyDriver)(nil)
+
+func NewPagerDutyDriver(httpClient *http.Client) *PagerDutyDriver {
+	return &PagerDutyDriver{
+		httpClient: &http.Client{
+			Transport: &retryRoundTripper{
+				next:       httpClient.Transport,
+				maxRetries: 3,
+			},
+		},
+	}
+}
+
+type pagerdutyUser struct {
+	ID             string `json:"id"`
+	Email          string `json:"email"`
+	Name           string `json:"name"`
+	Role           string `json:"role"`
+	InvitationSent bool   `json:"invitation_sent"`
+	CreatedAt      string `json:"created_at"`
+}
+
+type pagerdutyUsersPage struct {
+	Users []pagerdutyUser `json:"users"`
+	More  bool            `json:"more"`
+	Limit int             `json:"limit"`
+}
+
+func (d *PagerDutyDriver) ListAccounts(ctx context.Context) ([]AccountRecord, error) {
+	var records []AccountRecord
+
+	const limit = 100
+	offset := 0
+
+	for range maxPaginationPages {
+		page, err := d.queryUsers(ctx, offset, limit)
+		if err != nil {
+			return nil, err
+		}
+
+		for _, u := range page.Users {
+			isAdmin := u.Role == "admin" || u.Role == "owner"
+
+			record := AccountRecord{
+				Email:       u.Email,
+				FullName:    u.Name,
+				Role:        u.Role,
+				IsAdmin:     isAdmin,
+				MFAStatus:   coredata.MFAStatusUnknown,
+				AuthMethod:  coredata.AccessEntryAuthMethodUnknown,
+				AccountType: coredata.AccessEntryAccountTypeUser,
+				ExternalID:  u.ID,
+			}
+
+			// invitation_sent=true means the invitation is still pending,
+			// so the account is not yet active. Once accepted the field
+			// flips to false; we cannot tell active-vs-deactivated apart
+			// in that case and leave Active nil.
+			if u.InvitationSent {
+				active := false
+				record.Active = &active
+			}
+
+			if u.CreatedAt != "" {
+				if t, err := time.Parse(time.RFC3339, u.CreatedAt); err == nil {
+					record.CreatedAt = &t
+				}
+			}
+
+			records = append(records, record)
+		}
+
+		if !page.More {
+			return records, nil
+		}
+
+		pageSize := page.Limit
+		if pageSize <= 0 {
+			pageSize = limit
+		}
+		offset += pageSize
+	}
+
+	return nil, fmt.Errorf("cannot list all pagerduty accounts: %w", ErrPaginationLimitReached)
+}
+
+func (d *PagerDutyDriver) queryUsers(ctx context.Context, offset, limit int) (*pagerdutyUsersPage, error) {
+	q := url.Values{}
+	q.Set("limit", strconv.Itoa(limit))
+	q.Set("offset", strconv.Itoa(offset))
+	endpoint := "https://api.pagerduty.com/users?" + q.Encode()
+
+	req, err := http.NewRequestWithContext(ctx, http.MethodGet, endpoint, nil)
+	if err != nil {
+		return nil, fmt.Errorf("cannot create pagerduty users request: %w", err)
+	}
+	req.Header.Set("Accept", "application/vnd.pagerduty+json;version=2")
+
+	httpResp, err := d.httpClient.Do(req)
+	if err != nil {
+		return nil, fmt.Errorf("cannot execute pagerduty users request: %w", err)
+	}
+	defer func() { _ = httpResp.Body.Close() }()
+
+	if httpResp.StatusCode < 200 || httpResp.StatusCode >= 300 {
+		return nil, fmt.Errorf("cannot fetch pagerduty users: unexpected status %d", httpResp.StatusCode)
+	}
+
+	var page pagerdutyUsersPage
+	if err := json.NewDecoder(httpResp.Body).Decode(&page); err != nil {
+		return nil, fmt.Errorf("cannot decode pagerduty users response: %w", err)
+	}
+
+	return &page, nil
+}