| 1 | package boot |
| 2 | |
| 3 | import ( |
| 4 | "fmt" |
| 5 | "strings" |
| 6 | |
| 7 | "reasonix/internal/config" |
| 8 | "reasonix/internal/extension" |
| 9 | "reasonix/internal/extension/providerext" |
| 10 | "reasonix/internal/extension/sidecar" |
| 11 | "reasonix/internal/netclient" |
| 12 | "reasonix/internal/provider" |
| 13 | ) |
| 14 | |
| 15 | // LocalProviderResolver preserves the historical config-backed provider path. |
| 16 | type LocalProviderResolver struct { |
| 17 | cfg *config.Config |
| 18 | proxy netclient.ProxySpec |
| 19 | } |
| 20 | |
| 21 | func NewLocalProviderResolver(cfg *config.Config, proxy netclient.ProxySpec) *LocalProviderResolver { |
| 22 | return &LocalProviderResolver{cfg: cfg, proxy: proxy} |
| 23 | } |
| 24 | |
| 25 | func (r *LocalProviderResolver) Catalog() []provider.Descriptor { |
| 26 | if r == nil || r.cfg == nil { |
| 27 | return nil |
| 28 | } |
| 29 | out := make([]provider.Descriptor, 0, len(r.cfg.Providers)) |
| 30 | for i := range r.cfg.Providers { |
| 31 | e := &r.cfg.Providers[i] |
| 32 | ref := modelRefFromEntry(e) |
| 33 | d := provider.Descriptor{ |
| 34 | Ref: ref, DisplayName: e.Name, Model: e.Model, |
| 35 | ContextWindow: e.ContextWindow, Vision: config.EffectiveVision(e), |
| 36 | Tools: true, DefaultEffort: config.EffectiveEffort(e), |
| 37 | } |
| 38 | if price := e.PriceForModel(e.Model); price != nil { |
| 39 | d.PricingCurrency = price.Currency |
| 40 | d.CacheHitPerMillion = price.CacheHit |
| 41 | d.InputPerMillion = price.Input |
| 42 | d.OutputPerMillion = price.Output |
| 43 | } |
| 44 | if len(e.SupportedEfforts) > 0 { |
| 45 | d.Efforts = append([]string(nil), e.SupportedEfforts...) |
| 46 | d.Reasoning = true |
| 47 | } |
| 48 | if config.ReasoningProtocolForEntry(e) == config.ReasoningProtocolDeepSeek { |
| 49 | d.ToolCallReasoning = true |
| 50 | d.Reasoning = true |
| 51 | } |
| 52 | out = append(out, d) |
| 53 | } |
| 54 | return out |
| 55 | } |
| 56 | |
| 57 | func (r *LocalProviderResolver) Resolve(selection provider.Selection) (provider.Provider, error) { |
| 58 | if r == nil || r.cfg == nil { |
| 59 | return nil, fmt.Errorf("local provider resolver is not configured") |
| 60 | } |
| 61 | ref := strings.TrimSpace(selection.Ref) |
| 62 | if ref == "" { |
| 63 | return nil, fmt.Errorf("provider selection ref is required") |
| 64 | } |
| 65 | entry, ok := r.cfg.ResolveModel(ref) |
| 66 | if !ok { |
| 67 | return nil, fmt.Errorf("%w %q", ErrUnknownModel, ref) |
| 68 | } |
| 69 | if selection.Effort != nil { |
| 70 | entry.Effort = *selection.Effort |
| 71 | } |
| 72 | return NewProviderWithProxy(entry, r.proxy) |
| 73 | } |
| 74 | |
| 75 | func resolveProvider(resolver provider.Resolver, cfg *config.Config, proxy netclient.ProxySpec, selection provider.Selection) (provider.Provider, error) { |
| 76 | if resolver != nil { |
| 77 | return resolver.Resolve(selection) |
| 78 | } |
| 79 | return NewLocalProviderResolver(cfg, proxy).Resolve(selection) |
| 80 | } |
| 81 | |
| 82 | // mergeSidecarProviders wraps the build's resolver with the extension-hosted |
| 83 | // provider adapter (stage 7) whenever a started sidecar declared providers in |
| 84 | // its handshake. The base resolver — the caller-owned broker when |
| 85 | // opts.ProviderResolver is set, the local config-backed one otherwise — keeps |
| 86 | // serving every non-plugin ref; plugin providers are additive on top of it, |
| 87 | // and an exact-ref collision without the plugin's provider:<ref> claim is a |
| 88 | // *providerext.ConflictError (fatal at the call site). The merged Resolver is |
| 89 | // also the sidecar clients' stream router, installed here so inbound |
| 90 | // stream/chunk and stream/end notifications reach the buffered streams. |
| 91 | func mergeSidecarProviders(base provider.Resolver, mgr *sidecar.Manager, claims map[extension.Slot]extension.ContributionSource) (provider.Resolver, error) { |
| 92 | if mgr == nil { |
| 93 | return base, nil |
| 94 | } |
| 95 | declares := false |
| 96 | for _, client := range mgr.Clients() { |
| 97 | if len(client.Handshake().Providers) > 0 { |
| 98 | declares = true |
| 99 | break |
| 100 | } |
| 101 | } |
| 102 | if !declares { |
| 103 | return base, nil |
| 104 | } |
| 105 | clientsFn := func() []providerext.ProviderClient { |
| 106 | clients := mgr.Clients() |
| 107 | out := make([]providerext.ProviderClient, 0, len(clients)) |
| 108 | for _, client := range clients { |
| 109 | out = append(out, client) |
| 110 | } |
| 111 | return out |
| 112 | } |
| 113 | merged, err := providerext.New(base, clientsFn, claims) |
| 114 | if err != nil { |
| 115 | return nil, err |
| 116 | } |
| 117 | for _, client := range mgr.Clients() { |
| 118 | client.SetStreamRouter(merged) |
| 119 | } |
| 120 | return merged, nil |
| 121 | } |
| 122 | |
| 123 | func modelRefFromEntry(e *config.ProviderEntry) string { |
| 124 | if e == nil { |
| 125 | return "" |
| 126 | } |
| 127 | if strings.TrimSpace(e.Model) == "" { |
| 128 | return e.Name |
| 129 | } |
| 130 | return e.Name + "/" + e.Model |
| 131 | } |
| 132 | |
| 133 | // resolveModelEntry synthesizes only non-secret metadata from the resolver |
| 134 | // catalog. A caller-owned (or extension-merged) resolver is authoritative even |
| 135 | // when the credential-free Host happens to contain a provider with the same |
| 136 | // ref. The unknown-model error names every ref the session could have used, |
| 137 | // including plugin-namespaced refs a merged extension resolver serves. |
| 138 | func resolveModelEntry(resolver provider.Resolver, cfg *config.Config, modelName string) (*config.ProviderEntry, string, error) { |
| 139 | if resolver != nil { |
| 140 | entry := syntheticEntryFromResolver(resolver, modelName) |
| 141 | if strings.TrimSpace(entry.Name) != "" { |
| 142 | return entry, modelRefFromEntry(entry), nil |
| 143 | } |
| 144 | } |
| 145 | if entry, ok := cfg.ResolveModel(modelName); ok { |
| 146 | return entry, modelRefFromEntry(entry), nil |
| 147 | } |
| 148 | available := providerNames(cfg) |
| 149 | if pluginRefs := extensionCatalogRefs(resolver); len(pluginRefs) > 0 { |
| 150 | if available != "" { |
| 151 | available += "/" |
| 152 | } |
| 153 | available += strings.Join(pluginRefs, "/") |
| 154 | } |
| 155 | return nil, "", fmt.Errorf("%w %q (configured: %s); note: defining [[providers]] replaces the built-in presets, so add a [[providers]] entry for it or use a configured name, or run `reasonix setup` to reconfigure", ErrUnknownModel, modelName, available) |
| 156 | } |
| 157 | |
| 158 | // extensionCatalogRefs returns the plugin-namespaced refs a resolver's catalog |
| 159 | // serves, for error messages and pickers that merge extension providers with |
| 160 | // the config's own. Nil-safe: no resolver (or no plugin refs) → nil. |
| 161 | func extensionCatalogRefs(resolver provider.Resolver) []string { |
| 162 | if resolver == nil { |
| 163 | return nil |
| 164 | } |
| 165 | var out []string |
| 166 | for _, d := range resolver.Catalog() { |
| 167 | if providerext.PluginRefOwner(d.Ref) != "" { |
| 168 | out = append(out, d.Ref) |
| 169 | } |
| 170 | } |
| 171 | return out |
| 172 | } |
| 173 | |
| 174 | func resolveOptionalEntry(resolver provider.Resolver, cfg *config.Config, ref string) (*config.ProviderEntry, bool) { |
| 175 | if resolver != nil { |
| 176 | entry := syntheticEntryFromResolver(resolver, ref) |
| 177 | if strings.TrimSpace(entry.Name) != "" { |
| 178 | return entry, true |
| 179 | } |
| 180 | } |
| 181 | entry, ok := cfg.ResolveModel(ref) |
| 182 | return entry, ok |
| 183 | } |
| 184 | |
| 185 | func syntheticEntryFromResolver(r provider.Resolver, ref string) *config.ProviderEntry { |
| 186 | ref = strings.TrimSpace(ref) |
| 187 | if r == nil || ref == "" { |
| 188 | return &config.ProviderEntry{} |
| 189 | } |
| 190 | var match *provider.Descriptor |
| 191 | for _, d := range r.Catalog() { |
| 192 | if d.Ref == ref || d.DisplayName == ref || d.Model == ref || strings.HasPrefix(d.Ref, ref+"/") { |
| 193 | copy := d |
| 194 | match = © |
| 195 | break |
| 196 | } |
| 197 | } |
| 198 | if match == nil { |
| 199 | return &config.ProviderEntry{} |
| 200 | } |
| 201 | name, model := splitProviderRef(match.Ref) |
| 202 | if model == "" { |
| 203 | model = match.Model |
| 204 | } |
| 205 | if name == "" { |
| 206 | name = match.DisplayName |
| 207 | } |
| 208 | contextWindow := match.ContextWindow |
| 209 | if contextWindow <= 0 { |
| 210 | contextWindow = 128_000 |
| 211 | } |
| 212 | entry := &config.ProviderEntry{ |
| 213 | Name: name, Model: model, ContextWindow: contextWindow, |
| 214 | SupportedEfforts: append([]string(nil), match.Efforts...), |
| 215 | DefaultEffort: match.DefaultEffort, Vision: match.Vision, |
| 216 | } |
| 217 | if match.CacheHitPerMillion > 0 || match.InputPerMillion > 0 || match.OutputPerMillion > 0 { |
| 218 | entry.Price = &provider.Pricing{CacheHit: match.CacheHitPerMillion, Input: match.InputPerMillion, Output: match.OutputPerMillion, Currency: match.PricingCurrency} |
| 219 | } |
| 220 | return entry |
| 221 | } |
| 222 | |
| 223 | func splitProviderRef(ref string) (string, string) { |
| 224 | ref = strings.TrimSpace(ref) |
| 225 | if i := strings.IndexByte(ref, '/'); i >= 0 { |
| 226 | return ref[:i], ref[i+1:] |
| 227 | } |
| 228 | return ref, "" |
| 229 | } |
| 230 |