DEV Community: Rahul

app
Rahul — Wed, 12 Aug 2026 04:44:32 +0000

export type JsonObject = Record;

export type SystemStatus = {
application: { name: string; environment: string; mode: string };
metadata_database: { backend: string; available: boolean; path?: string | null };
oracle: { enabled: boolean; dsn?: string | null; allowed_owners: string[] };
ollama: {
available: boolean;
models?: string[];
base_url?: string;
error?: string | null;
};
chroma: {
available: boolean;
mode?: string;
path?: string | null;
collections?: Record;
error?: string | null;
};
models: Record;
embedding_model: string;
processing_location: string;
access: {
default_role: "analyst";
admin_enabled: boolean;
};
};

export type ModelStatus = {
installed: string[];
available: boolean;
error?: string | null;
configured: Record;
embedding: string;
};

export type AnalysisOptions = {
use_stored_knowledge: boolean;
store_generated_context: boolean;
include_raw_evidence: boolean;
retrieval_threshold: number;
retrieval_depth: number;
model_overrides: Record;
};

export type AnalysisSubmission = {
run_id: string;
status: string;
persistence: "durable" | "transient";
result?: JsonObject | null;
};

export type ApiItem = Record;

const DEFAULT_API_URL =
import.meta.env.VITE_API_URL?.replace(/\/$/, "") ??
"http://127.0.0.1:8000";
const ADMIN_AUTH_HEADER =
import.meta.env.VITE_ADMIN_AUTH_HEADER ?? "X-Admin-Key";
let adminCredential = "";

export class APIError extends Error {
status: number;

constructor(message: string, status = 0) {
super(message);
this.name = "APIError";
this.status = status;
}
}

async function request(
path: string,
init?: RequestInit,
privileged = false,
): Promise {
let response: Response;
try {
response = await fetch(`${DEFAULT_API_URL}${path}`, {
...init,
headers: {
...(init?.body instanceof FormData
? {}
: { "Content-Type": "application/json" }),
...(privileged && adminCredential
? { [ADMIN_AUTH_HEADER]: adminCredential }
: {}),
...init?.headers,
},
cache: "no-store",
});
} catch {
throw new APIError(
`Backend unavailable at ${DEFAULT_API_URL}. Start FastAPI and try again.`,
);
}

if (!response.ok) {
let detail = `${response.status} ${response.statusText}`;
try {
const payload = (await response.json()) as { detail?: string };
detail = payload.detail ?? detail;
} catch {
// Keep the status text when the response is not JSON.
}
throw new APIError(detail, response.status);
}
return (await response.json()) as T;
}

export const api = {
baseUrl: DEFAULT_API_URL,

status: () => request("/api/system/status"),
models: () => request("/api/models"),
authenticateAdmin: async (credential: string) => {
const result = await request<{ role: "admin"; status: string }>(
"/api/auth/admin",
{
method: "POST",
headers: { [ADMIN_AUTH_HEADER]: credential },
},
);
adminCredential = credential;
return result;
},
clearAdminCredential: () => {
adminCredential = "";
},
role: () =>
request<{ role: "analyst" | "admin"; admin_enabled: boolean }>(
"/api/auth/role",
undefined,
true,
),

submitText: (
source: string,
options: AnalysisOptions,
owner?: string,
objectName?: string,
asAdmin = false,
) =>
request("/api/analysis/text", {
method: "POST",
body: JSON.stringify({
source,
owner: owner || null,
object_name: objectName || null,
source_origin: "PASTED",
options,
}),
}, asAdmin),

submitUpload: (
sourceFile: File,
options: AnalysisOptions,
supportingDocument?: File | null,
asAdmin = false,
) => {
const form = new FormData();
form.append("source_file", sourceFile);
form.append("options_json", JSON.stringify(options));
if (supportingDocument) {
form.append("supporting_document", supportingDocument);
}
return request(
"/api/analysis/upload",
{
method: "POST",
body: form,
},
asAdmin,
);
},

submitOracle: (
owner: string,
objectName: string,
objectType: string,
options: AnalysisOptions,
) =>
request(
"/api/analysis/oracle-object",
{
method: "POST",
body: JSON.stringify({
owner,
object_name: objectName,
object_type: objectType,
options,
}),
},
true,
),

run: (runId: string, privileged = false) =>
request(
`/api/analysis/${encodeURIComponent(runId)}`,
undefined,
privileged,
),
events: (runId: string, afterId = 0, privileged = false) =>
request<{ events: ApiItem[] }>(
`/api/analysis/${encodeURIComponent(runId)}/events?after_id=${afterId}`,
undefined,
privileged,
),
cancelRun: (runId: string, privileged = false) =>
request(
`/api/analysis/${encodeURIComponent(runId)}/cancel`,
{ method: "POST" },
privileged,
),

objects: (limit = 100, offset = 0) =>
request<{ items: ApiItem[] }>(
`/api/objects?limit=${limit}&offset=${offset}`,
undefined,
true,
),
oracleObjects: (owner: string, nameFilter = "") =>
request<{ items: ApiItem[] }>(
`/api/oracle/objects?owner=${encodeURIComponent(owner)}${ nameFilter ?`&name_filter=${encodeURIComponent(nameFilter)}`: "" }`,
undefined,
true,
),
dependencies: (objectId: string) =>
request<{ object_id: string; edges: ApiItem[] }>(
`/api/objects/${encodeURIComponent(objectId)}/dependencies`,
undefined,
true,
),

contexts: (limit = 100, offset = 0) =>
request<{ items: ApiItem[] }>(
`/api/contexts?limit=${limit}&offset=${offset}`,
undefined,
true,
),
reviewContext: (contextId: string, action: "approve" | "reject") =>
request(
`/api/context/${encodeURIComponent(contextId)}/${action}`,
{
method: "POST",
body: JSON.stringify({ reviewer: "react-reviewer" }),
},
true,
),

tableContext: (owner: string, tableName: string) =>
request(
`/api/tables/${encodeURIComponent(owner)}/${encodeURIComponent( tableName, )}/context`,
undefined,
true,
),

feedback: (
runId: string,
rating: "UP" | "DOWN",
reason = "",
resultId?: string,
) =>
request(
"/api/feedback",
{
method: "POST",
body: JSON.stringify({
run_id: runId,
result_id: resultId || null,
rating,
reason: reason || null,
}),
},
true,
),

ingestSchema: (owner: string, objectFilter = "") =>
request<{ run_id: string }>(
"/api/oracle/ingest-schema",
{
method: "POST",
body: JSON.stringify({
owner,
object_filter: objectFilter || null,
}),
},
true,
),

rebuildChroma: () =>
request(
"/api/admin/rebuild-chroma",
{ method: "POST" },
true,
),
};

export function field(
item: ApiItem | undefined | null,
name: string,
fallback: string,
): string;
export function field(
item: ApiItem | undefined | null,
name: string,
fallback: T,
): T;
export function field(
item: ApiItem | undefined | null,
name: string,
fallback: T,
): T {
if (!item) return fallback;
const value = item[name] ?? item[name.toUpperCase()];
return (value === undefined || value === null ? fallback : value) as T;
}

ResultsPanel

Rahul — Wed, 12 Aug 2026 04:39:15 +0000

import {
AlertTriangle,
ArrowDownToLine,
CheckCircle2,
ChevronRight,
Code2,
Database,
GitBranch,
ListTree,
ShieldCheck,
Sparkles,
ThumbsDown,
ThumbsUp,
} from "lucide-react";
import { useMemo, useState } from "react";
import { api, field, type ApiItem, type JsonObject } from "../lib/api";

const tabs: Array<{ id: ResultTab; label: string }> = [
{ id: "overview", label: "Overview" },
{ id: "flow", label: "Execution flow" },
{ id: "procedures", label: "Subprograms" },
{ id: "data", label: "Data operations" },
{ id: "dependencies", label: "Dependencies" },
{ id: "evidence", label: "Evidence" },
{ id: "raw", label: "Raw metadata" },
];

function asObject(value: unknown): ApiItem {
return value && typeof value === "object" && !Array.isArray(value)
? (value as ApiItem)
: {};
}

function asArray(value: unknown): ApiItem[] {
return Array.isArray(value) ? value.map(asObject) : [];
}

function asStrings(value: unknown): string[] {
return Array.isArray(value) ? value.map(String) : [];
}

function download(filename: string, content: string, mime: string) {
const blob = new Blob([content], { type: mime });
const url = URL.createObjectURL(blob);
const anchor = document.createElement("a");
anchor.href = url;
anchor.download = filename;
document.body.appendChild(anchor);
anchor.click();
anchor.remove();
URL.revokeObjectURL(url);
}

export function ResultsPanel({
run,
runId,
isAdmin,
}: {
run: ApiItem | null;
runId: string | null;
isAdmin: boolean;
}) {
const [activeTab, setActiveTab] = useState("overview");
const [feedbackState, setFeedbackState] = useState<
"idle" | "sending" | "sent"

("idle");
const result = useMemo(() => getFinalResult(run), [run]);

if (!result) return null;

const source = asObject(result.source);
const metadata = asObject(result.metadata);
const packageResult = asObject(result.package);
const procedures = asArray(result.procedures);
const objectName = field(
metadata,
"object_name",
field(packageResult, "package_name", "PL/SQL object"),
);
const sourceLines = Number(
field(source, "total_lines", field(metadata, "total_lines", 0)),
);
const confidence = Number(field(packageResult, "confidence", 0));

const exportJson = () =>
download(
${objectName || "analysis"}.json,
JSON.stringify(result, null, 2),
"application/json",
);

return (

Analysis complete

{objectName}

Evidence-grounded analysis generated from the current source and
deterministic metadata.

Export JSON

  <div className="metric-grid result-metrics">
    <article className="metric-card">
      <span>Object type</span>
      <strong>{field(metadata, "object_type", "Unknown")}</strong>
      <Code2 size={18} />
    </article>
    <article className="metric-card">
      <span>Source lines</span>
      <strong>{sourceLines.toLocaleString()}</strong>
      <ListTree size={18} />
    </article>
    <article className="metric-card">
      <span>Subprograms</span>
      <strong>{procedures.length}</strong>
      <GitBranch size={18} />
    </article>
    <article className="metric-card">
      <span>Confidence</span>
      <strong>{Math.round(confidence * 100)}%</strong>
      <ShieldCheck size={18} />
    </article>
  </div>

  <div className="tab-strip" role="tablist" aria-label="Result sections">
    {tabs.map((tab) => (
      <button
        key={tab.id}
        role="tab"
        aria-selected={activeTab === tab.id}
        className={activeTab === tab.id ? "active" : ""}
        onClick={() => setActiveTab(tab.id)}
      >
        {tab.label}
      </button>
    ))}
  </div>

  <div className="result-content">
    {activeTab === "overview" && (
      <Overview result={result} packageResult={packageResult} />
    )}
    {activeTab === "flow" && <Flow packageResult={packageResult} />}
    {activeTab === "procedures" && (
      <Procedures procedures={procedures} />
    )}
    {activeTab === "data" && (
      <DataOperations metadata={metadata} procedures={procedures} />
    )}
    {activeTab === "dependencies" && (
      <Dependencies packageResult={packageResult} />
    )}
    {activeTab === "evidence" && (
      <Evidence result={result} source={source} />
    )}
    {activeTab === "raw" && (
      <pre className="json-view">
        <code>{JSON.stringify(metadata, null, 2)}</code>
      </pre>
    )}
  </div>

  {isAdmin ? (
    <footer className="result-footer">
      <div>
        <strong>Was this analysis useful?</strong>
        <span>
          Approved feedback improves future retrieval. Negative feedback is
          never promoted.
        </span>
      </div>
      <div className="feedback-actions">
        <button
          className="icon-text-button"
          disabled={!runId || feedbackState !== "idle"}
          onClick={() => void sendFeedback("UP")}
        >
          <ThumbsUp size={16} /> Useful
        </button>
        <button
          className="icon-text-button"
          disabled={!runId || feedbackState !== "idle"}
          onClick={() => void sendFeedback("DOWN")}
        >
          <ThumbsDown size={16} /> Needs work
        </button>
        {feedbackState === "sent" && (
          <span className="feedback-sent">
            <CheckCircle2 size={15} /> Recorded
          </span>
        )}
      </div>
    </footer>
  ) : (
    <footer className="result-footer transient-result-footer">
      <ShieldCheck size={20} />
      <div>
        <strong>Private, transient result</strong>
        <span>
          This analysis was returned to you without changing shared
          database knowledge.
        </span>
      </div>
    </footer>
  )}
</section>

);
}

function Overview({
result,
packageResult,
}: {
result: JsonObject;
packageResult: ApiItem;
}) {
const warnings = [
...asStrings(result.warnings),
...asStrings(packageResult.risks),
...asStrings(packageResult.unknowns),
];
const entries = asStrings(packageResult.entry_points);
return (

Purpose and behavior

{field(
packageResult,
"purpose",
field(packageResult, "overview", "No package overview is available."),
)}

{field(packageResult, "functional_summary", "") && (
<>

Functional summary

{field(packageResult, "functional_summary", "")}

</>
)}

Entry points

{entries.length ? (

{entry}

) : (

No public entry points were reported.

)}

Warnings and uncertainty

{warnings.length ? (

{warning}

) : (

No material warnings were reported.

)}

);
}

function Flow({ packageResult }: { packageResult: ApiItem }) {
const workflow = asStrings(packageResult.workflow);
return workflow.length ? (

{String(index + 1).padStart(2, "0")} {step}

) : (

);
}

function Procedures({ procedures }: { procedures: ApiItem[] }) {
if (!procedures.length) {
return ;
}
return (

{procedures.map((procedure, index) => {
const lineRange = Array.isArray(procedure.line_range)
? procedure.line_range
: [0, 0];
const audit = field(procedure, "audit_status", "UNKNOWN");
const confidence = Number(field(procedure, "confidence", 0));
return (

{field(procedure, "subprogram_name", Subprogram ${index + 1})}

{field(procedure, "subprogram_type", "PL/SQL")} · lines{" "}
{String(lineRange[0])}–{String(lineRange[1])}

{audit}

{Math.round(confidence * 100)}%

Purpose

{field(procedure, "purpose", "No purpose was returned.")}

Ordered steps

{step}

Functional summary

{field(procedure, "functional_summary", "Not available.")}

Technical summary

{field(procedure, "technical_summary", "Not available.")}

);
})}

);
}

{rows.map((row, index) => {
const evidence = asArray(row.evidence);
return (

);
})}

Subprogram	Object	Operation	Alias	Dynamic SQL	Evidence
{String(row.subprogram ?? "—")}	{field(row, "owner", "") && `${field(row, "owner", "")}.`} {field(row, "name", "Unknown")}	{field(row, "operation", "READ")}	{field(row, "alias", "—")}	{field(row, "dynamic_sql", false) ? "Yes" : "No"}	{evidence.length ? `Line ${field(evidence[0], "start_line", "—")}` : "—"}

);
}

function Dependencies({ packageResult }: { packageResult: ApiItem }) {
const dependencyFlow = asStrings(packageResult.dependency_flow);
const relationships = asStrings(packageResult.procedure_relationships);
const items = [...dependencyFlow, ...relationships];
return items.length ? (

{items.map((item, index) => (

{item}

))}

) : (

);
}

function Evidence({
result,
source,
}: {
result: JsonObject;
source: ApiItem;
}) {
const retrieval = asArray(result.retrieval);
return (

Source integrity

SHA-256: {field(source, "sha256", "Not available")}
Source origin: {field(source, "origin", "Current submission")}

Retrieved context

{retrieval.length ? (

{field(item, "content_type", "Context")} {field(item, "review_status", "UNREVIEWED")}
{Math.round(Number(field(item, "score", 0)) * 100)}%

) : (

No prior context exceeded the retrieval threshold.

)}

);
}

function EmptyResult({ text }: { text: string }) {
return (

{text}

);
}

InsightApp

Rahul — Wed, 12 Aug 2026 04:38:44 +0000

Liquid syntax error: Variable '{{% raw %}' was not properly terminated with regexp: /\}\}/

ExplorePages

Rahul — Wed, 12 Aug 2026 04:32:24 +0000

Liquid syntax error: Variable '{{% raw %}' was not properly terminated with regexp: /\}\}/

DependencyGraph

Rahul — Wed, 12 Aug 2026 04:31:50 +0000

import dagre from "dagre";
import {
Background,
BackgroundVariant,
Controls,
Handle,
MarkerType,
MiniMap,
Panel,
Position,
ReactFlow,
type Edge,
type Node,
type NodeProps,
} from "@xyflow/react";
import {
Box,
Braces,
Database,
ExternalLink,
FunctionSquare,
} from "lucide-react";
import { useMemo } from "react";
import { field, type ApiItem } from "../lib/api";

type GraphNodeData = {
label: string;
kind: "package" | "subprogram" | "table" | "external";
eyebrow: string;
};

type GraphNode = Node;

function kindLabel(kind: GraphNodeData["kind"]) {
return {
package: "Package / object",
subprogram: "Procedure / function",
table: "Table / view",
external: "External system",
}[kind];
}

function NodeIcon({ kind }: { kind: GraphNodeData["kind"] }) {
if (kind === "table") return ;
if (kind === "subprogram") return ;
if (kind === "external") return ;
return ;
}

function InsightNode({ data, selected }: NodeProps) {
return (

{data.eyebrow}
{data.label}

);
}

const nodeTypes = { insight: InsightNode };

function layoutGraph(nodes: GraphNode[], edges: Edge[]) {
const graph = new dagre.graphlib.Graph();
graph.setDefaultEdgeLabel(() => ({}));
graph.setGraph({
rankdir: "LR",
nodesep: 46,
ranksep: 112,
marginx: 34,
marginy: 34,
});

nodes.forEach((node) => graph.setNode(node.id, { width: 230, height: 72 }));
edges.forEach((edge) => graph.setEdge(edge.source, edge.target));
dagre.layout(graph);

return nodes.map((node) => {
const point = graph.node(node.id);
return {
...node,
position: { x: point.x - 115, y: point.y - 36 },
};
});
}

export function DependencyGraph({ edges: rawEdges }: { edges: ApiItem[] }) {
const { nodes, edges } = useMemo(() => {
const nodeMap = new Map();
const graphEdges: Edge[] = [];

rawEdges.forEach((item, index) => {
  const source = String(
    field(item, "SOURCE_NODE", field(item, "source", "Source")),
  );
  const target = String(
    field(item, "TARGET_NODE", field(item, "target", "Target")),
  );
  const relationship = String(
    field(
      item,
      "RELATIONSHIP_TYPE",
      field(item, "relationship", "DEPENDS_ON"),
    ),
  );
  const sourceKind = inferKind(source);
  const targetKind = inferKind(target, relationship);
  if (!nodeMap.has(source)) {
    nodeMap.set(source, {
      label: source,
      kind: sourceKind,
      eyebrow: kindLabel(sourceKind),
    });
  }
  if (!nodeMap.has(target)) {
    nodeMap.set(target, {
      label: target,
      kind: targetKind,
      eyebrow: kindLabel(targetKind),
    });
  }
  graphEdges.push({
    id: `edge-${index}-${source}-${target}`,
    source,
    target,
    type: "smoothstep",
    label: relationship.replaceAll("_", " "),
    markerEnd: { type: MarkerType.ArrowClosed, color: "#7796ff" },
    style: { stroke: "#7796ff", strokeWidth: 1.7 },
    labelStyle: {
      fill: "#aebbd0",
      fontSize: 10,
      fontWeight: 700,
    },
    labelBgStyle: {
      fill: "#111a28",
      fillOpacity: 0.94,
    },
    labelBgPadding: [7, 4],
    labelBgBorderRadius: 6,
  });
});

const graphNodes: GraphNode[] = Array.from(nodeMap.entries()).map(
  ([id, data]) => ({
    id,
    type: "insight",
    data,
    position: { x: 0, y: 0 },
  }),
);
return {
  nodes: layoutGraph(graphNodes, graphEdges),
  edges: graphEdges,
};

}, [rawEdges]);

if (!rawEdges.length) {
return (

No dependency edges yet

Analyze an object first. Calls, tables, package containment, and
external systems will appear here.

);
}

return (

nodes={nodes}
edges={edges}
nodeTypes={nodeTypes}
fitView
fitViewOptions={{ padding: 0.24 }}
minZoom={0.28}
maxZoom={1.8}
nodesConnectable={false}
deleteKeyCode={null}
proOptions={{ hideAttribution: true }}
>
variant={BackgroundVariant.Dots}
gap={22}
size={1.2}
color="#263248"
/>

position="bottom-right"
pannable
zoomable
nodeStrokeWidth={3}
nodeColor={(node) => {
const kind = (node.data as GraphNodeData).kind;
if (kind === "table") return "#4de2c5";
if (kind === "external") return "#ffbc70";
if (kind === "subprogram") return "#a99eff";
return "#7796ff";
}}
maskColor="rgba(5, 9, 16, .72)"
/>

{(["package", "subprogram", "table", "external"] as const).map(
(kind) => (

{kindLabel(kind)}

),
)}

);
}

Claude is beating Open AI very soon with their fable model

Rahul — Tue, 11 Aug 2026 10:09:25 +0000

‹div cLassName="metadata-row">
"CONTEXT_TYPE",
"CONTEXT")}/span>
‹span›
Confidence(" "}
{Math. round (Number (Field(item, "CONFIDENCE", 0)) * 100)}%-</ span>
{field(item,
"MODEL_NAME",

"Unknown model")}/span›I

(reviewstatus === "AI_GENERATED" && (

cLassName="button small approve"
disabled= (busyId = id}
onclick-{() → void review(id, "approve")} {busyld === id? (
‹LoaderCircle cLassName="spin" size=(15) />
) : (
‹Check size-(15} />
385
380
)}