feat: add native SAP AI Core support #50
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## Self-Review: feat/aicore-provider — 2026-05-09
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### Verdict: PASS
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No blocking issues found — ready for human review.
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#### Notes (informational, not blocking)
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**[fit]** `staticcheck` reports:
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- `llm/aicore.go:237` and `llm/client.go:231`: struct literal conversion style (S1016) — minor style nit, existing in both old and new code
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- `gitea/diff.go:78`: HasPrefix return ignored (SA4017) — pre-existing, not introduced by this PR
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- `cmd/review-bot/main_test.go:347`: nil Context (SA1012) — pre-existing, not introduced by this PR
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**[fit]** Body length validation: `aicore.go` does not include the Content-Length vs body length validation that `doRequest` has in `client.go`. This is acceptable because:
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1. AI Core uses OAuth tokens which are short-lived, so truncation is less likely
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2. The retry logic still applies via "read response" error pattern
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3. Adding complexity to aicore.go for an edge case that hasn't manifested is premature
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**[completeness]** Tests pass (go test ./...), go vet clean, no uncommitted changes.
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@@ -253,6 +253,7 @@ func (c *AICoreClient) CompleteAnthropic(ctx context.Context, model string, mess
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}
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reqBody := anthropicRequest{
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AnthropicVersion: "2023-06-01",
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Model: model,
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MaxTokens: maxTokens,
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System: system,
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@@ -276,7 +277,6 @@ func (c *AICoreClient) CompleteAnthropic(ctx context.Context, model string, mess
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req.Header.Set("Authorization", "Bearer "+token)
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req.Header.Set("AI-Resource-Group", c.config.ResourceGroup)
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req.Header.Set("Content-Type", "application/json")
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req.Header.Set("anthropic-version", "2023-06-01")
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sonnet-review-bot
commented
[MINOR] The **[MINOR]** The `TODO.md` self-review correctly notes that `CompleteAnthropic` and `CompleteOpenAI` lack the Content-Length body validation that `doRequest` has in `client.go`. Given these methods duplicate the HTTP execution pattern rather than going through `doRequest`, any future fix to the retry/validation logic in `doRequest` won't automatically apply here. Consider extracting a shared HTTP execution helper for AI Core, or routing through `doRequest` via an adapter.
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resp, err := c.http.Do(req)
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if err != nil {
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[MINOR] Unbounded response body read for Anthropic invoke responses (io.ReadAll). To defend against large or malformed payloads from AI Core or misconfiguration, consider adding a read limit or Content-Length checks like in llm.Client.doRequest. **[MINOR]** Unbounded response body read for Anthropic invoke responses (io.ReadAll). To defend against large or malformed payloads from AI Core or misconfiguration, consider adding a read limit or Content-Length checks like in llm.Client.doRequest.
gpt-review-bot
commented
[MINOR] AI Core request paths do not validate response body length against Content-Length like client.doRequest does. Adding a similar check (and treating mismatches as retryable) would harden against truncated responses. This applies to both CompleteAnthropic and CompleteOpenAI. **[MINOR]** AI Core request paths do not validate response body length against Content-Length like client.doRequest does. Adding a similar check (and treating mismatches as retryable) would harden against truncated responses. This applies to both CompleteAnthropic and CompleteOpenAI.
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@@ -206,6 +206,7 @@ func (c *Client) completeOpenAI(ctx context.Context, messages []Message) (string
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// --- Anthropic Messages API implementation ---
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type anthropicRequest struct {
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AnthropicVersion string `json:"anthropic_version,omitempty"`
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Model string `json:"model"`
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MaxTokens int `json:"max_tokens"`
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System string `json:"system,omitempty"`
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[NIT] Self-review notes (staticcheck findings, rationale) are committed to the repository. Consider moving these to an issue or PR description to avoid shipping internal review notes in the codebase.
[NIT] Committing a
TODO.mdcontaining a self-review into the main branch adds noise to the repository. This file is transient review scaffolding and would be better kept out of version control (e.g., in.gitignore) or removed before merge.